1) Equation $\frac{1}{r}=\frac{1}{8}+\frac{3}{8}\cos\theta$ represents A) A rectangular hyperbola B) A hyperbola C) An ellipse D) A parabola Answer: Option BExplanation:Given, equation is $\frac{1}{r}=\frac{1}{8}+\frac{3}{8}\cos\theta$ or 8/r = 1 + 3cosθ which is the form of l/r = 1+ ecosθ '.' e = 3>0, .'. Given equation is a hyperbola
