Coordinate Geometry Question 72
Question: If $ A(x_1,y_1),\ B(x_2,y_2) $ and $ C(x_3,y_3) $ are the vertices of a triangle, then the excentre with respect to B is
[RPET 2000]
Options:
A) $ ( \frac{ax_1-bx_2+cx_3}{a-b+c},\frac{ay_1-by_2+cy_3}{a-b+c} ) $
B) $ ( \frac{ax_1+bx_2-cx_3}{a+b-c},\frac{ay_1+by_2-cy_3}{a+b-c} ) $
C) $ ( \frac{ax_1-bx_2-cx_3}{a-b-c},\frac{ay_1-by_2-cy_3}{a-b-c} ) $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
It is obvious.
BETA
