JEE Math Practice Question
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.$$\left( {5,6} \right]$$
- B.$$\left( {6,\,\infty } \right)$$
- C.$$\left( { - \infty ,\,4} \right)$$
- D.$$\left[ {4,\,5} \right]$$
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