Math, asked by krishnarajbiradar123, 1 year ago

The sum of first n terms of an ap is given by 3n²+5n find the common difference

Answers

Answered by AyushTiwari110

Sn=3n²+5n

.'. S1=8

S2=22

S2-S1=22-8=14

so a=8 and d=14-8=6

hence common difference is 6

geetamaharana: I think it's wrong

AyushTiwari110: what is ans in book

krishnarajbiradar123: There is no ans its a question by cbse board in their hots

Answered by Anishu1234

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Anishu1234: Mark as brainliest!!!!!

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