Math, asked by armanmohd80111, 1 year ago

Which term of A.P. 84,80,76....Is zero

Answers

Answered by josnargeorgepty
2

84+(n-1)×(-4) = 0

84-4n+4 = 0

-4n+88 =0

4(-n+22) =0

-n+22 =0

-n = -22

n=22

So, 22th term of an AP is zero

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