Question

7. If 9x(3)^2a×3^2=9×3^6,find the value of a​

Answer 1

Step-by-step explanation:

3^2×3^2a×3^2=3^2×3^6

3^2+2a+2=3^2+6

3^2a+4=3^8

comparing the index of 3 ,we get

2a+4=8

2a=8-4=4

2a=4

a=4/2=2