General Equation of Circle S=0
Trending Questions
Q. If the equation K(x+1)23+(y+2)24=1 represents a circle, then K =
- 3/4
- 1
- 4/3
- 12
Q.
Let ϕ(x, y)=0 be the equation of a circle, If ϕ(0, λ)=0 has equal roots λ=2, 2 and ϕ(λ, 0)=0 has roots λ=45, 5, then the roots of the circle is
(2, 29/100)
(29/10, 2)
(-2, 29/10)
none of these
Q.
Which of the following equations represents a circle with centre (g, f) and radius √g2 + f2 + c ?
x2 + y2 + 2gx + 2fy + c = 0
x2 + y2 − 2gx − 2fy + c = 0
x2 + y2 + 2gx + 2fy − c = 0
x2 + y2 − 2gx − 2fy − c = 0