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The domain of the function f(x)=1/(sqrt(...

The domain of the function `f(x)=1/(sqrt(4x=|x^2-10 x+9}))` is `(7-sqrt(40),7+sqrt(40))` `(0,7+sqrt(40))` `(7-sqrt(40),oo)` (d) none of these

A

`(7-sqrt(40),7+sqrt(40))`

B

`(0,7+sqrt(40))`

C

`(7-sqrt(40),infty)`

D

None of these

Text Solution

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The correct Answer is:
D
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