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If `a_1,a_2,a_3, ,a_n` are an A.P. of non-zero terms, prove that `1/(a_1+a_2)+1/(a_1+a_3)++1/(a_(n-1)+a_n)=(n-1)/(a_1+a_n)dot`

A

`(n-1)/(a_(1)a_(n))`

B

`(n)/(a_(1)a_(n))`

C

`(n+1)/(a_(1)a_(n))`

D

None of these

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A
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 2-MCQS
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