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MHT CET202015 Oct 2020Evening ShiftMathematicsPair of LinesActual

If the sum of slopes of the pair of lines given by 4 x²+2 ~h x y-7 y²=0 is equal to the product of the slopes, then h is

Options

  1. A-2
  2. B-4
  3. C4
  4. D-6

Correct answer

A. -2

Step-by-step solution

Given 4 x²+2 h x y-7 y²=0 We have m ₁+ m ₂= m ₁ ~m ₂ - 2 ~h 7 = 4 -7 h =-2

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