{"id":20255,"date":"2024-04-15T05:50:28","date_gmt":"2024-04-15T05:50:28","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=20255"},"modified":"2024-04-15T05:50:28","modified_gmt":"2024-04-15T05:50:28","slug":"the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/","title":{"rendered":"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;$$\\frac{2}{3}{{\\text{a}}^2}$$&#8221; option2=&#8221;$$\\frac{{14}}{3}{{\\text{a}}^2}$$&#8221; option3=&#8221;$$\\frac{{16}}{3}{{\\text{a}}^2}$$&#8221; option4=&#8221;$$\\frac{{17}}{3}{{\\text{a}}^2}$$&#8221; correct=&#8221;option2&#8243;]<!--more--><\/p>\n<p>The correct answer is $\\boxed{\\frac{16}{3}a^2}$.<\/p>\n<p>The parabolas $y^2 = 4ax$ and $x^2 = 4ay$ intersect at the points $(\\pm a, \\pm a)$. The area between the parabolas is bounded by the lines $y = x$ and $y = -x$.<\/p>\n<p>To find the area, we can use the following formula:<\/p>\n<p>$$\\text{Area} = \\int_{-a}^a \\left( x &#8211; y \\right) \\, dy$$<\/p>\n<p>Substituting in the equations for the parabolas, we get:<\/p>\n<p>$$\\text{Area} = \\int_{-a}^a \\left( x &#8211; \\sqrt{4ax} \\right) \\, dy$$<\/p>\n<p>We can simplify this integral by using the substitution $u = \\sqrt{4ax}$. This gives us:<\/p>\n<p>$$\\text{Area} = \\int_{-2a}^2 \\left( x &#8211; u \\right) \\, du$$<\/p>\n<p>We can then evaluate this integral using the following formula:<\/p>\n<p>$$\\int u^n \\, du = \\frac{u^{n+1}}{n+1} + C$$<\/p>\n<p>This gives us:<\/p>\n<p>$$\\text{Area} = \\left[ \\frac{x^2}{2} &#8211; \\frac{u^2}{2} \\right]_{-2a}^2 = \\frac{4a^2}{2} &#8211; \\frac{4a^2}{2} + \\frac{4a^2}{2} &#8211; \\frac{4a^2}{2} = \\boxed{\\frac{16}{3}a^2}$$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;$$\\frac{2}{3}{{\\text{a}}^2}$$&#8221; option2=&#8221;$$\\frac{{14}}{3}{{\\text{a}}^2}$$&#8221; option3=&#8221;$$\\frac{{16}}{3}{{\\text{a}}^2}$$&#8221; option4=&#8221;$$\\frac{{17}}{3}{{\\text{a}}^2}$$&#8221; correct=&#8221;option2&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[690],"tags":[],"class_list":["post-20255","post","type-post","status-publish","format-standard","hentry","category-calculus","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;$$frac{2}{3}{{text{a}}^2}$$&#8221; option2=&#8221;$$frac{{14}}{3}{{text{a}}^2}$$&#8221; option3=&#8221;$$frac{{16}}{3}{{text{a}}^2}$$&#8221; option4=&#8221;$$frac{{17}}{3}{{text{a}}^2}$$&#8221; correct=&#8221;option2&#8243;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-15T05:50:28+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/","og_locale":"en_US","og_type":"article","og_title":"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$","og_description":"[amp_mcq option1=&#8221;$$frac{2}{3}{{text{a}}^2}$$&#8221; option2=&#8221;$$frac{{14}}{3}{{text{a}}^2}$$&#8221; option3=&#8221;$$frac{{16}}{3}{{text{a}}^2}$$&#8221; option4=&#8221;$$frac{{17}}{3}{{text{a}}^2}$$&#8221; correct=&#8221;option2&#8243;]","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2024-04-15T05:50:28+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/","name":"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2024-04-15T05:50:28+00:00","dateModified":"2024-04-15T05:50:28+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-area-between-the-parabolas-y2-4ax-and-x2-4ay-is-a-frac23texta2-b-frac143texta2-c-frac163texta2-d-frac173texta\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"mcq","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/"},{"@type":"ListItem","position":3,"name":"Engineering maths","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/engineering-maths\/"},{"@type":"ListItem","position":4,"name":"Calculus","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/mcq\/engineering-maths\/calculus\/"},{"@type":"ListItem","position":5,"name":"The area between the parabolas y2 = 4ax and x2 = 4ay is A. $$\\frac{2}{3}{{\\text{a}}^2}$$ B. $$\\frac{{14}}{3}{{\\text{a}}^2}$$ C. $$\\frac{{16}}{3}{{\\text{a}}^2}$$ D. $$\\frac{{17}}{3}{{\\text{a}}^2}$$"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/20255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=20255"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/20255\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=20255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=20255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=20255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}