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if then value of x is...

if
then value of `x` is

A

`sqrt((5)/(2))`

B

`sqrt((3)/(2))`

C

`sqrt((7)/(2))`

D

`sqrt((5)/(3))`

Text Solution

Verified by Experts

The correct Answer is:
D

`x=(1)/(3+(1)/(1+x))`
`rArr x = 1 + (1 + x)/(3 + 3x + 1)`
`rArr x(4 + 3x) = 4 + 3x + 1 +x`
`rArr 3x^(2) + 4x = 4x + 5`
`x^(2) = (5)/(3) rArr x = sqrt((5)/(3)), (":' x gt 0)`
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