Math, asked by neelshaileshphktnu, 1 year ago

How many terms of AP 8,15,22,... add upto 1490?

Answers

Answered by devi9792
3
hey mate

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Answered by pardhavabusiness
1

An=a+n-1*d

An=1490

a=8

d=a2-a1

15-8=7

so....

1490=8+(n-1}7

1490=8+7n-7

1490-1=7n

1489=7n

n=1489/7

n=212.7

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