Question

Write the first five terms of the following sequences whose nth terms are:

an = (−1)ⁿ, 2ⁿ

Answer 1

an = (−1)ⁿ, 2ⁿ

for, n = 1

a₁ = −2

for n = 2

a₂ = 4

for n = 3

a₃ = −8

for n = 4

a₄ = 16

for n = 5

a₅ = −32