Home
Class 11
MATHS
Equation of unit circle concentric with ...

Equation of unit circle concentric with circle
`x^(2)+y^(2)+8x+4y-8=0` is

A

`x^(2) +y^(2) +8x+4y+19=0`

B

`x^(2) +y^(2) +8x+4y-17=0`

C

`x^(2)+y^(2) +8x+4y+20= 0`

D

`x^(2)+y^(2)+8x+4y+21=0`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Write the equation of the unit circle concentric with x^(2)+y^(2)-8x+4y-8=0

Equation of the circle concentric with the circle x^(2) + y^(2) + 8x + 10 y - 7 = 0 , and passing through the centre of the circle x^(2) + y^(2) - 4x - 6y = 0 ,is

Equation of the circle concentric with the circle x^(2)+y^(2)-3x+4y-c=0 and passing through the point [(-1,-2) is

Find the equation of the circle concentric with the circle x^(2)+y^(2)-8x+6y-5=0 and passing through the point (-2,-7),

The equation of the circle concentric with the circle x^(2) + y^(2) - 6x - 4y - 12 =0 and touching y axis

Find the equation of the circle concentric with the circle x^(2) + y^(2) + 4x + 4y + 11 = 0 and passing through the point ( 5, 4).

Equation of the circle concentric with the circle x^(2) + y^(2) - 4x - 6y - 3 = 0 , and touching Y-axis , is

Find the equation of the circle concentric with the circle 2x^(2)+2y^(2)-8x+10y-39=0

(i) Find the equation of a circle concentric with the circle x^(2)+y^(2)-8x+6y-10=0 and passes through the point (-2,3). (ii) Find the equation of circle concentric with the circle x^(2)+y^(2)-4x-8x-6=0 and whose radius is three times the radius of this circle.