Find the equation of the tangent to the circle at the point .

MATHEMATICS · Single correct · A Level · Mathematics · Coordinate geometry in the (x y) plane · Coordinate geometry in the (x y) plane

Problem

Find the equation of the tangent to the circle

x^{2}+y^{2}=25

at the point

(3,4)

. (a)

4x-3y=25

(b)

3x-4y=25

(c)

3x+4y=25

(d)

4x+3y=24