JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

1 Easy

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Application +4 | -1

The equation

3 x^2+2 h x y+3 y^2=0

represents a pair of straight lines passing through the origin. The two lines are

View answer and explanation

Correct option: B

Real and distinct if

h^2>9

Option B (Real and distinct if

h^2>9

) is correct because the condition for real and distinct lines is

h^2 > ab

, which translates to

h^2 > 9

in this case.

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