JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

1 Easy

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Application +4 | -1

The equation

{x^2} - 2\sqrt 2 kx + 2{e^{2\log k}} - 1 = 0

has the product of roots equal to 31, then for what value of

k

it has real roots?

View answer and explanation

Correct option: D

Option D (4) is correct because it is the only value of

k

that satisfies both the product of roots condition and the real roots condition.

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