Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

if 2y+x+3=0 touches the circle 5X^2 + 5y^2=k then k= ?

if 2y+x+3=0 touches the circle 5X^2 + 5y^2=k


then k= ?

Grade:12

1 Answers

Sanjeev Malik IIT BHU
101 Points
9 years ago

x2+ y2 =k/5;  centre is (0,0). and radius = root(k/5).

as line touches circle so distance of line from centre equals the radius,

3/root(22+12)= root(k/5)

solving, k= 9

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free

10th iCAT Scholarship Test Registration Form