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The coefficient of the middle term in the binomial expansion in powers of `x` of`(1+alphax)^4` and of`(1-alphax)^6` is the same, if `alpha` equals `-5/3` b. `(10)/3` c. `-3/(10)` d. `3/5`

A

`-(5)/(3)`

B

`(3)/(5) `

C

`-(3)/(10)`

D

`(10)/(3)`

Text Solution

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The correct Answer is:
C
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