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If the sum of m terms of an A.P. is equa...

If the sum of `m` terms of an A.P. is equal to the sum of either the next `n` terms or the next `p` terms, then prove that `(m+n)(1/m-1/p)=(m+p)(1/m-1/n)dot`

Text Solution

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The correct Answer is:
`rArr 2a[m-n] = d[n^(2)-m^(2)+2mn +m-n] `
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