Q.

Equation of normal to 9x2-25y2=225 at θ=π/4 is
 

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

5x+32y=342

b

5x+3y=342

c

5x-32y=342

d

5x+2y=342

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Given hyperbola x225-y29=1

 a2=25, b2=9 and  given θ=π4

Now Equation of normal at 'θ' axsecθ+bytanθ=a2+b2

 5x2+3y1=34  5x+32 y=342.

Watch 3-min video & get full concept clarity

hear from our champions

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon