Math, asked by lalitmohanlohani2018, 9 months ago

Q... if the sum of first n terms of an A.P. is m, then show that the sum of its first (m+n) terms is -(m+n) ???

Answers

Answered by 18shreya2004mehta

1

Answer:

Use the formula (2m-1).

Answered by Anonymous

1

Step-by-step explanation:

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