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Let alpha and beta be two positive roots...

Let `alpha` and `beta` be two positive roots of `x^(2) -2ax ` +ab =0 where `0 lt a lt b ` . Then for n `in` N .
`S_(n) = 1+2 ((b)/(a))+ 3 ((b)/(a))^(2) + cdots n ( (b)/(a))^(n` cannot exceed

A

`(alpha)/(beta)`

B

`|(alpha+beta)/(alpha-beta)|`

C

`(beta)/(alpha)`

D

`((alpha+beta)/(alpha-beta))^(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
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