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Question

In an AP which has n terms, if we know the first and the last term, then we can find the sum of all the terms.


  1. True

  2. False


Solution

The correct option is A

True


Sn=n(a1+an)2
Where,
Sn is the sum of n terms and n = number of terms
a1 is the first term
 and an is the last term
So, if the number of terms, the first term and the last term of an AP are given, we can find the sum of n terms of that AP.

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