If $\frac{x^2}{a}+\frac{2 x y}{h}+\frac{y^2}{b}=0$ represents a pair of straight lines such that the slope…

If $\frac{x^2}{a}+\frac{2 x y}{h}+\frac{y^2}{b}=0$ represents a pair of straight lines such that the slope of one of the lines is twice the other, then $\frac{a b}{h^2}=$
  1. $\frac{9}{8}$
  2. $\frac{8}{9}$
  3. $\frac{2 \sqrt{2}}{3}$
  4. $\frac{3}{2 \sqrt{2}}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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