Question

1. finding the nth term of the sequence -2, 4, -8, 16, -32, …

Answer 1

Hello,


`u_(1)= -2 \\ u_(2)= -2 *(-2)=(-2)^2 \\ u_(3)= (-2)^2 *(-2)=(-2)^3 \\ u_(4)= (-2)^3 *(-2)=(-2)^4 \\ ...\\ \boxed{u_(n)= (-2)^n} \\`