Question

The length of latus rectum of he parabola,

4y² + 2x – 20y + 17 = 0 is –

• A. 3
• B. 6
• C. ½
• D. 9

Answer 1

Answer: (C)

½

Answer 2

4y² + 2x – 20y + 17 = 0

length of L.R. = =$\frac { 2 } { 4 } = \frac { 1 } { 2 }$