1 Answer

Alejandro Bastidas · Answer 1 · 2022-01-16T02:29:04+0000

Answer:

-6665

Explanation:

The given GP is :

1, -6, 36, ...

Number of terms = 6

The sum of n terms of a GP is given by :

S_n=(a(r^n-1))/(r-1)

Here,

a = 1, n = 6, r = 36/-6 = -6

So,

$S_6=(1((-6)^6-1))/((-6)-1)\\\\=-6665$

So, the sum of th GP is -6665.

Please log in or register to add a comment.