0

Guest

Courses New

From a point (sin k,cos k),three normal can be drawn to the parabola y^2=4ax(a>0) then then value of a lies in the interval: 1)(2,5/2) 2)(0,1/2) 3)(2,3) 4)(1/2,3/2)

From a point (sin k,cos k),three normal can be drawn to the parabola y^2=4ax(a>0) then then value of a lies in the interval:
1)(2,5/2)
2)(0,1/2)
3)(2,3)
4)(1/2,3/2)

Grade:12th Pass

1 Answers

Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
8 years ago
Write the equation of normal and satisfy at this point .You will get conditions on the value such that three real roots must exist .
Use h>2a condition for real roots.

Think You Can Provide A Better Answer ?

Other Related Questions on Engineering Entrance Exams

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More