ab=12,ab=12,\frac{a}{b} = \frac{1}{2}, find the value of the expression (2a−5b)(5a+3b)" role="presentation">(2a−5b)(5a+3b)(2a−5b)(5a+3b)\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}} = ?" /> ab=12,ab=12,\frac{a}{b} = \frac{1}{2}, find the value of the expression (2a−5b)(5a+3b)" role="presentation">(2a−5b)(5a+3b)(2a−5b)(5a+3b)\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}} = ?" /> ab=12,ab=12,\frac{a}{b} = \frac{1}{2}, find the value of the expression (2a−5b)(5a+3b)" role="presentation">(2a−5b)(5a+3b)(2a−5b)(5a+3b)\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}} = ?" />

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If $\frac{a}{b} = \frac{1}{2},$ $\frac{a}{b} = \frac{1}{2},$ find the value of the expression $\frac{(2 a - 5 b)}{(5 a + 3 b)}$ $\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}}$ = ?

1-32
211
3 $\frac{- 8}{11}$ $\frac{{ - 8}}{{11}}$
417

Answer:- 1

Explanation:-

Solution:

\begin{aligned} \frac{a}{b} = \frac{1}{2} \\ Let a = x, b = 2 x \\ Then, \frac{(2 a - 5 b)}{(5 a + 3 b)} \\ = \frac{2 x - 10 x}{5 x + 6 x} \\ = \frac{- 8 x}{11 x} \\ = \frac{- 8}{11} \end{aligned}

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find the value of the expression

\frac{(2 a - 5 b)}{(5 a + 3 b)}

$\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}}$ = ?", "text": "If

\frac{a}{b} = \frac{1}{2},

$\frac{a}{b} = \frac{1}{2},$ find the value of the expression

\frac{(2 a - 5 b)}{(5 a + 3 b)}

$\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}}$ = ?", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" }, "answerCount": "4", "acceptedAnswer": { "@type": "Answer", "text": "

Solution:

\begin{aligned} \frac{a}{b} = \frac{1}{2} \\ Let a = x, b = 2 x \\ Then, \frac{(2 a - 5 b)}{(5 a + 3 b)} \\ = \frac{2 x - 10 x}{5 x + 6 x} \\ = \frac{- 8 x}{11 x} \\ = \frac{- 8}{11} \end{aligned}

$\eqalign{ & \frac{a}{b} = \frac{1}{2} \cr & {\text{Let }}a = x,{\text{ }}b = 2x \cr & {\text{Then,}}\frac{{\left( {2a - 5b} \right)}}{{\left( {5a + 3b} \right)}} \cr & = \frac{{2x - 10x}}{{5x + 6x}} \cr & {\text{ = }}\frac{{ - 8x}}{{11x}} \cr & = \frac{{ - 8}}{{11}} \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution: