Math, asked by vaageshvyas1010, 4 months ago

the first term of ap is 5 and nth term is 17 and sum of all these terms are 275 find d and n. Hence find the sum of first 20 terms of A.P...​

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Answered by sinhaishita126
0

Answer:

I don't know the answer.

Step-by-step explanation:

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Thank you.

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