Question

If
$( \frac{a}{b} ) ^{y - 1} = ( \frac{b}{a} ) ^{y - 5}$
then the value of y is?​

Answer 1

Answer:

a         b

 ((—•y)-1)-((—•y)-5)  = 0  

   b         a

Step-by-step explanation:

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Answer 2

Answer:

3

Step-by-step explanation:

${ (\frac{a}{b}) }^{y - 1} = {( \frac{b}{a} )}^{y - 5}$

${ (\frac{a}{b} )}^{y - 1} = {( \frac{a}{b} )}^{ - (y - 5)}$

$y - 1 = - y + 5$

$2y = 6$

$y = 3$

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