0

Guest

Courses New

. Let the sum of n, 2n, 3n terms of an A.P. be S1,S2and S3 respectively, show that : S3 = 3(S2 - S1).

. Let the sum of n, 2n, 3n terms of an A.P. be S1,S2and S3 respectively, show that : S3 = 3(S2 - S1).

Grade:

1 Answers

SHAIK AASIF AHAMED
askIITians Faculty 74 Points
9 years ago
Hello student
we know that\sum n=\frac{n(n+1)}{2}….......(1)
similarly 2\sum n=2\frac{n(n+1)}{2}….........(2)
and3\sum n=3\frac{n(n+1)}{2}…...............(3)
From 1,2 and 3 it is clear that s3=3(s2-s1)
Thanks and regards
Shaik Aasif
askIITians faculty

Think You Can Provide A Better Answer ?

Other Related Questions on Algebra

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More