How many terms of AP 8,15,22,... add upto 1490?
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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
- REGARDS=PARDHAV
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