Question

if 3^x-1=9 and 4^y+2=64 ,find the value of y/x-x/y​

Answer 1

Answer:

-8/3

Step-by-step explanation:

$3^{x-1} = 9\\3^{x-1} = 3^2\\x-1 = 2\\x = 3\\\\4^{y+2}=64\\4^{y+2}=4^3\\y+2 = 3\\y = 1\\\\\frac{y}{x}-\frac{x}{y} \frac{1}{3}-\frac{3}{1} \\\frac{1-9}{3}\\\frac{-8}{3}$

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