Math, asked by komal116, 10 months ago

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

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Answered by Anonymous

Step-by-step explanation:

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Answered by Anonymous

S m+n = 2m+n

{2a+(m+n−1)d}

S_{m + n} = {m +n}0 = 0⟹S

m+n

= 2m+n ×0=0

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