Question

if xp and xq are two tangents of a circle....?​

Answer 1

Answer:

okay a simple question

we can conclude that xp=xq .....1

because tangents from same points

now ap=ar same point is a {there are

and qb=br same point is b. tangents }

now we can write eq. 1 like

xa+pa=xb+bq

and changing value we get ,

xa+ar=xb+br

hence proved

than you