Math, asked by rahul1003, 1 year ago

this is arithmetic progression (A.P) pls solve no. 3 question , thankyou

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Answers

Answered by Kittybaby
1
Equating the an and an
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rahul1003: thankyou for trying but it is wrong but it's okay i got the solution ! thnx
Answered by triptig
0
A.T.Q
an of 1st AP = an of 2nd AP
231+(n-1)(228-231)= 3+(n-1)(9-6)
231+(n-1)×(-3) = 3+(n-1)×3
231-3n+3 = 3+3n-3
234-3n = 3n
234 = 3n+3n
234 =6n
39 = n
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