{"id":199171,"date":"2025-03-10T19:54:58","date_gmt":"2025-03-10T19:54:58","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=199171"},"modified":"2025-03-10T19:55:00","modified_gmt":"2025-03-10T19:55:00","slug":"suppose-log28a-and-log26b-use-the-change-of-base-formula-along-with-properties-of-logarithms-to-rewrite-the-following-in-terms-of-aa-and-bb","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/10\/suppose-log28a-and-log26b-use-the-change-of-base-formula-along-with-properties-of-logarithms-to-rewrite-the-following-in-terms-of-aa-and-bb\/","title":{"rendered":"Suppose log2(8)=a and log2(6)=b Use the change of base formula along with properties of logarithms to rewrite the following in terms of aa and bb"},"content":{"rendered":"\n<p>Suppose log2(8)=a and log2(6)=b Use the change of base formula along with properties of logarithms to rewrite the following in terms of aa and bb.<\/p>\n\n\n\n<p>log6(2)=<br>log6(8\/6)=<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>We are given the logarithmic values:<\/p>\n\n\n\n<p>[<br>\\log_2(8) = a<br>]<\/p>\n\n\n\n<p>[<br>\\log_2(6) = b<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 1: Expressing ( \\log_6(2) ) in Terms of ( a ) and ( b )<\/strong><\/h3>\n\n\n\n<p>Using the <strong>change of base formula<\/strong>:<\/p>\n\n\n\n<p>[<br>\\log_b(x) = \\frac{\\log_k(x)}{\\log_k(b)}<br>]<\/p>\n\n\n\n<p>we set ( k = 2 ) to express ( \\log_6(2) ) in terms of base 2 logarithms:<\/p>\n\n\n\n<p>[<br>\\log_6(2) = \\frac{\\log_2(2)}{\\log_2(6)}<br>]<\/p>\n\n\n\n<p>Since ( \\log_2(2) = 1 ), we substitute:<\/p>\n\n\n\n<p>[<br>\\log_6(2) = \\frac{1}{\\log_2(6)}<br>]<\/p>\n\n\n\n<p>Since ( \\log_2(6) = b ), we get:<\/p>\n\n\n\n<p>[<br>\\log_6(2) = \\frac{1}{b}<br>]<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Step 2: Expressing ( \\log_6(8\/6) ) in Terms of ( a ) and ( b )<\/strong><\/h3>\n\n\n\n<p>Using the <strong>quotient rule<\/strong> for logarithms:<\/p>\n\n\n\n<p>[<br>\\log_b(x\/y) = \\log_b(x) &#8211; \\log_b(y)<br>]<\/p>\n\n\n\n<p>we apply this to ( \\log_6(8\/6) ):<\/p>\n\n\n\n<p>[<br>\\log_6(8\/6) = \\log_6(8) &#8211; \\log_6(6)<br>]<\/p>\n\n\n\n<p>Using the <strong>change of base formula<\/strong>:<\/p>\n\n\n\n<p>[<br>\\log_6(8) = \\frac{\\log_2(8)}{\\log_2(6)} = \\frac{a}{b}<br>]<\/p>\n\n\n\n<p>[<br>\\log_6(6) = \\frac{\\log_2(6)}{\\log_2(6)} = 1<br>]<\/p>\n\n\n\n<p>Thus:<\/p>\n\n\n\n<p>[<br>\\log_6(8\/6) = \\frac{a}{b} &#8211; 1<br>]<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Final Answers:<\/strong><\/h3>\n\n\n\n<p>[<br>\\log_6(2) = \\frac{1}{b}<br>]<br>[<br>\\log_6(8\/6) = \\frac{a}{b} &#8211; 1<br>]<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Explanation (300 words)<\/strong><\/h3>\n\n\n\n<p>To solve these logarithmic expressions in terms of ( a ) and ( b ), we use logarithmic properties. The <strong>change of base formula<\/strong> allows us to convert logarithms of any base into logarithms of base 2, which we use because we are given ( \\log_2(8) ) and ( \\log_2(6) ).<\/p>\n\n\n\n<p>For ( \\log_6(2) ), applying the change of base formula gives:<\/p>\n\n\n\n<p>[<br>\\log_6(2) = \\frac{\\log_2(2)}{\\log_2(6)}<br>]<\/p>\n\n\n\n<p>Since we know that ( \\log_2(2) = 1 ) and ( \\log_2(6) = b ), the result is simply ( \\frac{1}{b} ).<\/p>\n\n\n\n<p>Next, for ( \\log_6(8\/6) ), we use the <strong>quotient rule<\/strong> for logarithms:<\/p>\n\n\n\n<p>[<br>\\log_6(8\/6) = \\log_6(8) &#8211; \\log_6(6)<br>]<\/p>\n\n\n\n<p>Using the change of base formula, we convert ( \\log_6(8) ) and ( \\log_6(6) ) into base 2:<\/p>\n\n\n\n<p>[<br>\\log_6(8) = \\frac{\\log_2(8)}{\\log_2(6)} = \\frac{a}{b}<br>]<\/p>\n\n\n\n<p>[<br>\\log_6(6) = \\frac{\\log_2(6)}{\\log_2(6)} = 1<br>]<\/p>\n\n\n\n<p>Thus, we obtain:<\/p>\n\n\n\n<p>[<br>\\log_6(8\/6) = \\frac{a}{b} &#8211; 1<br>]<\/p>\n\n\n\n<p>These results show how logarithmic identities and base change techniques simplify complex logarithmic expressions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Suppose log2(8)=a and log2(6)=b Use the change of base formula along with properties of logarithms to rewrite the following in terms of aa and bb. log6(2)=log6(8\/6)= The correct answer and explanation is : We are given the logarithmic values: [\\log_2(8) = a] [\\log_2(6) = b] Step 1: Expressing ( \\log_6(2) ) in Terms of ( [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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