Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

if an a.p consists of 31 terms and it’s 16 th term is p, then sum of all terms of the given a.p is ?

if an a.p consists of 31 terms and it’s 16th term is p,
then sum of all terms of the given a.p is ?

Grade:10

1 Answers

Sayam
49 Points
4 years ago
Let first term of AP is a and common difference d
As 16th term of AP is p.
So, p=a+15d ….…...(i)
Sum of n terms=n/2[2a+(n-1)d]
so sum of 31 terms = 31/2[2a+30d]
=31[a+15d]
=31[p] ….…....from eq(i)
=31 p
hope this clears your doubt

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free