Question

22. If the points P(-3,9), Q(a,b) and R(4,-5) are collinear and a+b=1,
find the values of a and b.
(CBSE 2014
T:
FABC with vertices A(n-1), B(2.1) and C(0.3). Also​

Answer 1

Answer:

Please mark BRAINLIEST......