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If a1,a2, a3, a4 be the coefficient of f...

If `a_1,a_2, a_3, a_4` be the coefficient of four consecutive terms in the expansion of `(1+x)^n ,` then prove that: `(a_1)/(a_1+a_2)+(a_3)/(a_3+a_4)=(2a_2)/(a_2+a_3)dot`

A

`P + q = r`

B

`(1 )/(2) (a_(2))/(a_(2) + a_(3))`

C

`(2 a_(2))/(a_(2) +a_(3))`

D

`(2 a_(3))/(a_(2) +a_(3))`

Text Solution

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The correct Answer is:
c
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OBJECTIVE RD SHARMA ENGLISH-BINOMIAL THEOREM AND ITS APPLCIATIONS -Exercise
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