" (iv) "x^(2)+y^(2)=25" Points of "(2,3)" On "

show that the tangent of the circle x^(2)+y^(2)=25 at the point (3,4) and (4,-3) are perpendicular to each other.

For the circle x^(2) + y^(2) = 25, the point (-2.5, 3.5) lies :

For the circle x^(2) + y^(2) = 25, the point (-2.5, 3.5) lies :

The centers of a set of circles,each of radius 3, lie on the circle x^(2)+y^(2)=25. The locus of any point in the set is 4 =25(d)3<=x^(2)+y^(2)<=9

Find the middle point of the chord of the circle x^(2)+y^(2)=25 intercepted on the line x-2y=2

Find the equation of circles with radius 12 and touching the circle x^(2)+y^(2)=25 at the point (3,4)

At which point the tangent to the curve x^(2)+y^(2)=25 is parallel to the line 3x-4y=7 ?

{:("Column" A ,, "Column" B), (225x^(2) - 625 y^(2) = ,, (a) 25(x-2) (x-2)), (x^(2) - x - y - y^(2) = ,, (b) 25(3x- 5y) (3x + 5y)), (x^(2) - x - y^(2) + y = ,, (x + y) (x - y- 1)), (25x^(2) - 100 x + 100 = ,, (d) (x - y) (x + y -1)), (,,(e) (x + y) (x + y - 1)):}

If the circle x^(2) + y^(2) = a^(2) intersects the hyperbola xy = 25 in four points, then find the product of the ordinates of these points.

Line 3x + 4y = 25 touches the circle x^(2) + y^(2) = 25 at the point