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The 8 th term of AP is -23 and its 12 term is -29find the AP

Posted by Pranav Singh 5 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Anil Kumar 5 years, 6 months ago

Right answer

0Thank You

Lucifer ? Morningstar? 5 years, 6 months ago

Let the first term be a and common difference be d. A/q a+7d=-23 ....(१) and a+11d=-२9....(२) equate both equation then, d=-3/2 and first term is -67/2

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