Home
Class 12
MATHS
The area of the circle x^(2) - 2x + y^(2...

The area of the circle `x^(2) - 2x + y^(2) - 10y + k = 0` is `25 pi`. The value of k is equal to

A

`-1`

B

1

C

0

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

If the area of the circle 4x^(2) + 4y^(2) + 8x - 16y + lambda = 0 is 9 pi sq units, then the value of lambda is

The slope of the straigt line joining the centre of the circle x ^(2) + y ^(2) - 8x + 2y =0 and rthe vertex of the parabola y = x ^(2) - 4x + 10 is

The value of k, if the circles 2x ^(2) + 2y ^(2) - 4x + 6y = 3 and x ^(2) + y ^(2) + kx + y =0 cut orthogonally is

The area of the region bounded by y^(2) = 16 - x^(2), y = 0, x = 0 in the first quadrant is (in square units) a) 8pi b) 6pi c) 2pi d) 4pi

Find the area of the circle x^2+y^2=4 using integration

If the equations of the tangent to the circle x^(2)+ y^(2)- 2x + 6y -6 =0 parallel to 3x - 4y + 7=0 is 3x - 4y +k=0 , then the values of k are : a) 5,-35 b) -5,35 c) 7,-32 d) -7,32