JEE MATHEMATICS MCQ: QUADRATIC EQUATIONS

1 Easy

1 of 1

Analyzing +4 | -1

If the roots of the equations

p x^2+2 q x+r=0

and

q x^2-2 \sqrt{p r} x+q=0

be real, then

View answer and explanation

Correct option: B

q^2=p r

Option B (

q^2=p r

) is correct. The condition for real roots of both quadratic equations leads to the conclusion that

q^2

must be equal to

pr

More Questions from QUADRATIC EQUATIONS

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\alpha ,\beta

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{x^2} - px + q = 0

{\alpha _1},{\beta _1}

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{x^2} + 4ax + 2 > 0

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a

f\left( x \right) = a{x^2} + bx + c\;

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