Does the point (1,2) lie outside or inside the circle `x^2 + y^2 = 4`.

Does the point (-2.5, 3.5) lie inside, outside or on the circle x^2 + y^2 = 25 ?

If the points (lambda, -lambda) lies inside the circle x^2 + y^2 - 4x + 2y -8=0 , then find the range of lambda .

Does the point (0,2) lie on the first quadrant?

If the point (1, 4) lies inside the circle x^(2)+y^(2)-6x-10y+p=0 then p is:

The point ([p+1], [p]) is lying inside the circle x^2+y^2-2x-15=0 and x^2+y^2-2x-7=0 . Then the set of all values of p is (where [.] represents the greatest integer function)

The circle x^2+y^2-6x-10 y+k=0 does not touch or intersect the coordinate axes, and the point (1, 4) is inside the circle. Find the range of value of kdot

Discuss the position of the points (1,2) and (6,0) with respect to the circle x^2+y^2-4x+2y-11=0

If lx+my=1 touches the circle x^(2)+y^(2)=a^(2) , prove that the point (l,m) lies on the circle x^(2)+y^(2)=a^(-2)