Conic Sections Question 67

Question: The line $ y=mx+1 $ is a tangent to the parabola $ y^{2}=4x $ , if

[MNR 1990; Kurukshetra CEE 1998; DCE 2000; Pb. CET 2004]

Options:

A) $ m=1 $

B) $ m=2 $

C) $ m=4 $

D) $ m=3 $

Show Answer

Answer:

Correct Answer: A

Solution:

From condition for tangent to a parabola, $ m=1 $

therefore $ m=1 $ .



sathee Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on

Please select your preferred language
कृपया अपनी पसंदीदा भाषा चुनें