The Total solution for NCERT class 6-12
If A, B aresymmetric matrices of same order, then AB − BA isa
Answer - 11 : -
A. Skew symmetric matrix B. Symmetricmatrix
C. Zero matrix D. Identitymatrix
Solution
The correct answer is A.
A and B are symmetricmatrices, therefore, we have:
Thus, (AB − BA)is a skew-symmetric matrix.
Answer - 12 : -
A. B.
C. π D.
The correct answer is B.
Comparing thecorresponding elements of the two matrices, we have: