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Help!!!!!!If the quadratic equation has real roots such that the product of roots is 7, then the value of k is :(1) +/- 1(2) +/- 2(3) +/- 3(4) None of these.Note: Need well explained answer.

Answer»

Hey friend, HARISH here.

Here is your answer. (Refer to the IMAGE).

SOLVE it we GET k = ± 2

But log of NEGATIVE number is not defined.

So the only correct answer will be be k = 2

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Hope my answer is helpful to you.


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