Question

ans dis fastttt...properly but plz

Answer 1

SQUARING BOTH SIDES

2^ n = 1024^2

2^n = 2^20

since the base is same

n= 20

Then 

=3^2(20/4 - 4)

=3^2(5-4)

=3^2

=9

Answer 2

here is your answer...
option (b) is correct 9
hope this helps you...