Question

please find it attached-- i need step by step explanation

Answer 1

hope its help u_____________

Answer 2

Given:

• If (a^3 × a^-5)² = 81.

To Find:

• The value of a .

Answer:

Taking the given equation,

=> ( a^3 × a^-5 )² = 81.

=> ( a^3 × a^-5 ) ² = 9².

=> ( a^3 × a^-5 ) = 9.

=> a^ ( 3-5) = 9.

=> a^-2 = 9.

=> 1/a² = 3².

=> 1/a = 3

=> a = 1/3.

Hence the value of a is 1/3.