Question

If the sum of first m term of an ap is the same as the sum of its n terms , show that sum of its first (m+n) terms is zero

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

S m = M / 2 [ 2A + ( M - 1 ) D ]

S n = N / 2 [ 2A +( N - 1 ) D ]