Question

16*2n+1-4*2n/16*2n+2-2*2n+2

Answer 1

16×2n+1-4×2n/16×2n+2-2×2n+2

=32n-8n+1/32n-4n

=8n(4-1)+1/4n (8-1)

=2×3+1/7

=7/7

=1

so your answer is 1