Question

PLEASE SOLVE THIS:
For an A.P , the first term is 14 and the last term is 212. If sum of these terms is 11300, find the number of terms and common difference and ​

Answer 1

Answer:

Sn=n(a+l) /2

11300=n(14+212)/2

11300*2=n*226

22600=n*226

n=100

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Answer 2

Step-by-step explanation:

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