Joe Harper
Dec 21, 2020

answers: 1

Register to add an answer

The time for answering the question is over

Answer:

Q- The sum of first 8 terms and first 24 terms of an A.P. are equal . Find the sum of first 32 terms .

♡ Concept :• In these type of Questions , we Simply derive relation between first term(a) and common Difference (d) .

• In this question , we will compare 8th and 24th term .

• Then we will get a relation between a and d .

• Then we will use that relation , to find the sum of first 32 terms .

♡ Given :- It's an A.P.

- a = first term .
- d = common difference

Since , we know that the sum of first 8 terms is equal to the sum of first 24 terms

so ,

equating them ..

Now ,

We have to find the sum of first 32 terms ..

so , using the Formula

From eq(i) ,

- 2a + 31d = 0

So , the sum of first 32 terms would be 0 .

_________________________♡ Know More :Where ,

174

Nadezhda

Dec 21, 2020

For answers need to register.

Contacts

mail@expertinstudy.com

Feedback

Expert in study

About us

For new users

For new experts

Terms and Conditions