Q.
The equation of the common tangent to y2=4x and the curve x2+4y2=8 can be
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
x-2 y+4=0
b
x+2 y+4=0
c
x-2 y=4
d
x+2 y=4
answer is A.
(Unlock A.I Detailed Solution for FREE)
Detailed Solution
The given curves are y2=4x and x28+y22=1Equation of tangents are y=mx+1 m and y=mx+8 m2+2comparing the above two line equations1m=8m2+2squaring on both sides and then cross multiplym=±12Equation of tangent is y=12x+2⇒2y=x+4⇒x−2y+4=0
Watch 3-min video & get full concept clarity