Question

3. Solve :
(i) 4^(x-2) - 2^(x+1)= 0​

Answer 1

Answer:

4^(x-2) -2^(x+1)=0

or, 2^2(x-2)=2^(x+1) [4^a =2^2a]

or,2x-4=x+1

or, x=5

hope this will help you