Solve this:
Q. In an AP, terms are respectively a, b and c. Prove that
p (b - c) + q (c - a) + r (a - b) = 0
Solve this:
Dear Student,
Let the first term of an A.P. is m and common difference is d.
The pth, qth and rth term of an A.P. are a, b and c respectively. So,
Subtracting equation (1) and (2) , we get,
Substitute value of d in equation (1), we get,
Substitute value of m and d in equation (3), we get,
from result (1),
Regards