Question

point A and B Intersect at P, a circle is drawn
T is
is mia
the centre
Tangent to the circle with centre Orat
with centre P passing through Aprove that the
tangent et A to the circle with centre p posses
through O​

Answer 1

Answer:

Slope of the line joining the centre and the origin is

a

b

The slope of the tangent will be −

⎝

⎜

⎜

⎛

a

b

1

⎠

⎟

⎟

⎞

, i.e., −

b

a

.

Hence, the equation of the tangent is y=−

b

a

x+0 i.e. by+ax=0.

solution