Question

Solve the 1st question. Please! It is urgent.

Answer 1

We have ,

(-3)^k+1 * (-3)^-2 = (-3)^5

=> (-3)^k+1-2 = 3^5

=> (-3)^k-1 = (-3)^5

Equating the powers , we get

k-1 = 5

=> k = 5+1

=> k = 6

Hence , The value of k is 6 ......