Math, asked by rahulkumar92112261, 3 months ago

AP -7, -12,-17,-22.... का कौन सा पद -82 होगा। इस AP के प्रथम 50 पदो का योग ज्ञात
करो।​

Answers

Answered by amitsharma777222999
1

Step-by-step explanation:

a=-7 d=-5

-7+(n-1)*-5=-82

(n-1)*-5=-75

(n-1)=15

n=16

S=25(-14+49*(-5))

=25(-14-245)

25(-259)

=-6475

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