Math, asked by jashkapadia, 6 months ago

an ap is -35,-30,-25.... find the 20th term of ap and number of terms required to obtain sum=0

Answers

Answered by saiyedfazil

4

a20 = a+(n-1)d

=-35+(20-1)5

=-35+19×5

=-35+95=60

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Answered by Anureet25

0

Answer:- (1)—> 60
(2)—>15

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