Math, asked by Drazze7059, 10 months ago

7th term of an ap is 40 and it's 13th term is 80 .What is it's common difference?

Answers

Answered by jatin7714

4

T7th=a+(7-1)d=40

Step-by-step explanation:

T13th=a+(13-1)d=80. subtract 2-1

6d=40

d=40/6

d=20/3

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