JEE MATHEMATICS MCQ: PAIR OF STRAIGHT LINES

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The value of

h

for which

3 x^2-3 h x y+4 y^2=0

represents a pair of coincident lines are

View answer and explanation

Correct option: D

\pm 4 / \sqrt{3}

Option D (

\pm 4 / \sqrt{3}

) is correct because the condition for coincident lines (

\h^2 = ab

) is satisfied when h equals this value.

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