Math, asked by sanjay2655, 9 months ago

The sum of n terms of AP is -14,d=2 and last term of AP is 4 find n and a.

Answers

Answered by viveksininivas27

0

Use eqn : Sn=n/2[2a+(n-1)×d]

Step-by-step explanation:

Sn=-14

d=2

substitute and do it yourself as maths is for doing...

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