Math, asked by manpreetsingh33, 8 months ago

in an A. P. Sum of first n terms is n² & 2n find
20th terms
.

Answers

Answered by kirangusain84

0

Answer:

Ace. 472 answers. 47.5K people helped. sum = n^2 + 2n sum of 1 term = S1 = 1^2 + 2×1 = 3 = a1 sum of 2 terms = S2 = 2^2 + 2×2 = 8

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