{"id":20209,"date":"2024-04-15T05:49:51","date_gmt":"2024-04-15T05:49:51","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=20209"},"modified":"2024-04-15T05:49:51","modified_gmt":"2024-04-15T05:49:51","slug":"the-expression-mathop-lim-limits_alpha-to-0-fractextxalpha-1alpha-is-equal-to-a-log-x-b-0-c-x-log-x-d-infty","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-expression-mathop-lim-limits_alpha-to-0-fractextxalpha-1alpha-is-equal-to-a-log-x-b-0-c-x-log-x-d-infty\/","title":{"rendered":"The expression \\[\\mathop {\\lim }\\limits_{\\alpha \\to 0} \\frac{{{{\\text{x}}^\\alpha } &#8211; 1}}{\\alpha }\\] is equal to A. log x B. 0 C. x log x D. \\[\\infty \\]"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;log x&#8221; option2=&#8221;0&#8243; option3=&#8221;x log x&#8221; option4=&#8221;\\[\\infty \\]&#8221; correct=&#8221;option1&#8243;]<!--more--><\/p>\n<p>The correct answer is A. log x.<\/p>\n<p>Let&#8217;s take a look at each option in turn.<\/p>\n<p>Option A: log x. This is the correct answer. As $\\alpha$ approaches 0, $x^\\alpha$ approaches 1, so the expression $\\frac{{x^\\alpha } &#8211; 1}}{\\alpha }$ approaches $\\log x$.<\/p>\n<p>Option B: 0. This is not the correct answer. As $\\alpha$ approaches 0, $x^\\alpha$ approaches 1, so the expression $\\frac{{x^\\alpha } &#8211; 1}}{\\alpha }$ approaches $\\log x$, which is not equal to 0.<\/p>\n<p>Option C: x log x. This is not the correct answer. As $\\alpha$ approaches 0, $x^\\alpha$ approaches 1, so the expression $\\frac{{x^\\alpha } &#8211; 1}}{\\alpha }$ approaches $\\log x$, which is not equal to $x \\log x$.<\/p>\n<p>Option D: $\\infty$. This is not the correct answer. As $\\alpha$ approaches 0, $x^\\alpha$ approaches 1, so the expression $\\frac{{x^\\alpha } &#8211; 1}}{\\alpha }$ approaches $\\log x$, which is not equal to $\\infty$.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;log x&#8221; option2=&#8221;0&#8243; option3=&#8221;x log x&#8221; option4=&#8221;\\[\\infty \\]&#8221; correct=&#8221;option1&#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-20209","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 expression \\[\\mathop {\\lim }\\limits_{\\alpha \\to 0} \\frac{{{{\\text{x}}^\\alpha } - 1}}{\\alpha }\\] is equal to A. log x B. 0 C. x log x D. \\[\\infty \\]<\/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-expression-mathop-lim-limits_alpha-to-0-fractextxalpha-1alpha-is-equal-to-a-log-x-b-0-c-x-log-x-d-infty\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The expression \\[\\mathop {\\lim }\\limits_{\\alpha \\to 0} \\frac{{{{\\text{x}}^\\alpha } - 1}}{\\alpha }\\] is equal to A. log x B. 0 C. x log x D. \\[\\infty \\]\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;log x&#8221; 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