Question 74

If $$x^2 + kx + k = 0$$ has two distinct real solutions, then the value of k will satisfy:

Solution

The correct option is A.

For two distinct real solution, D > 0

$$\implies$$ $$b^{2}-4ac>0$$

$$\implies$$ $$k^{2}-4k>0$$

$$\implies$$ $$k(k-4)>0$$

$$\implies$$ $$k<0$$ or $$k>4$$

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