Math, asked by richardskumar7, 5 months ago

Given an = 3 + 4n. find the sum of 20 terms of this AP​

Answers

Answered by assingh
1

Answer:

kk

Step-by-step explanation:

a1 = 7

a20 = 83

Sum = 10(7 + 83)

Sum = 900

Thank you.

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