Math, asked by principalajdc, 9 months ago

solve my question please
class 10th AP​

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Answers

Answered by rumisiddiquizariyasi
1

Answer:

an 1= an 2

a+(n-1)d =a+(n-1)d

63+(n-1)*2 =3+(n-1)7

63-3 +2n-7n =-7+2

60-5n =-5

-5n= -5-60

5n = 65

n=13

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