Question

(2^n+3-2^n+1)/(2^n-1+2^n)

Answer 1

Olá!

(2^n+3-2^n+1)/(2^n-1+2^n)

=> (2^n.2^3-2^n.2)/(2^n.2^-1+2^n)

=> 2^n(8-2)/2^n(1/2+1)

=> 6/3/2

=> 6×2/3

=> 12/3

=> 4