JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

1 Easy

1 of 1

Application +4 | -1

Let

a, b

and

c

be real numbers such that

4 a+2 b+c

=0

and

a b>0

. Then the quadratic equation

a x^2+b x

+c=0

has

View answer and explanation

Correct option: C

Real roots

Option C (Real roots) is correct because given the condition

4a + 2b + c = 0

x=2

is a real root of the quadratic equation

ax^2 + bx + c = 0

. Since one root is real, the other must also be real.

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k

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\tan A

A

2 s