Math, asked by aashiqueisme, 8 months ago

How many terms of the AP −6, −11/ 2 , −5 are needed to give the sum -25?

Answers

Answered by harikasss96

0

Answer:

n=20

Step-by-step explanation:

Sn=n/2(2a+(n-1)d) where Sn=-25,a=-6,d=1/2

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