Question

Find the nth term in the category-1,3,-9,27 GP​

Answer 1

Answer:

An=3(-3)ⁿ

Step-by-step explanation:

-1,3,-9,27...

Here a=-1,r=3/-1= -3, n =5

An=ar^(n-1)

=(-1)( -3)ⁿ⁻¹

=(-1) *(-3)(-3)ⁿ

An=3(-3)ⁿ