Question

The latus rectum of the parabola y² = 5x + 4y + 1 is

• A. $\frac{5}{4}$
• B. 10
• C. 5
• D. $\frac{5}{2}$

Answer 1

Answer: (C)

5

Answer 2

y² = 5x + 4y + 1

L.R = $\left| \frac{coeff.\mspace{6mu} of\mspace{6mu} x}{coeff.\mspace{6mu} of\mspace{6mu} y^{2}} \right|$ = 5