Question

please answer this correctly please don't spam​

Answer 1

Good evening Mate!!

Here is you answer.

There is a formula for this kind of question which is

∑ n³ = n²(n+1)² / 4

Where ,n = total number of terms

Therefore ,

on putting values

∑ (20)³ = 10²( 10 + 1)² / 4

= 100 ( 11 )² / 4

= 100 ( 121 ) /4

= 12100 / 4

= 3025

Hope it helps you pls mark my answer as brainliest answer pls

Answer 2

Hope it helps you

Have a nice day