Question

Given that x^a=1/x^b, what is the value of 2a+2b?

Answer 1

Answer:

${x}^{a} = \frac{1}{ {x}^{b} } \\ \\ {x}^{a} = {x}^{ - b} \\ \\ so......a = - b \\ \\ 2a + 2b = 2( - b) + 2b \\ \\ - 2b + 2b \\ \\ = 0$

Answer 2

x^a=1/x^b

x^a=x^-b

a=-b

Now

2a+2b

2×-b+2b

-2b+2b

0

Hope it helps u❤✴❤