1.

Find the length of latus rectum of the parabola y^2=40x.(a) 4 units(b) 10 units(c) 40 units(d) 80 unitsI had been asked this question in final exam.My question is from Conic Sections in division Conic Sections of Mathematics – Class 11

Answer»

The correct ANSWER is (c) 40 units

Best explanation: COMPARING equation with y^2=4ax.

4A=40. LENGTH of latus rectum of parabola is 4a =40.



Discussion

No Comment Found

Related InterviewSolutions