Question

The sum of n terms of an ap is 2n²+3n,the sum of its 10 term will be

Answer 1

HELLO.......FRIEND!!

THE ANSWER IS HERE,


Sum of n terms of an AP is

$= > \: 2 {n}^{2} + 3n$

Sum of 10 terms ,

$= > \: 2 ({10})^{2} + 3(10)$

$= > \: 2(100) + 30$

=> 230.

:-)Hope it helps u.

Answer 2

Hi Friend !!!

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The sum of n terms of AP is 2n²+3n

The sum of 10 terms is

2(10)²+3(10)

= 2(100)+30

= 200+30

= 230

Hope it helps u :-)