Need solution for RD Sharma maths class 12 chapter 4 Algebra of Matrices exercise Fill in the blank question 19
Answer:
m = q
Hint:
Use the basic concept of matrix order and multiplication
Given:
B[n x p] , A[m x n]C[p x q]
Solution:
BC can be find because, B's columns and C's rows are same.
BC x A can be defined as,
BC[n x q] x A[m x n]
Hence, by the Rule of matrix multiplication,
m = q