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If both the roots of the quadratic equat...

If both the roots of the quadratic equation `x^2-2kx+k^2+k-5=0` are less than `5` , then `k` lies in the interval

A

`[4,5]`

B

`(-oo,4)`

C

`(6,oo)`

D

`(5,6]`

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The correct Answer is:
B
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