If A=⎣⎡2−11−23−2−44−3⎦⎤, show that A2=A.
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If A=,B and 2x+A=B then find x
There are 3 families A,B,C. The number of men, women and children in these families are:
If aij=0(i=j) and aij=2(i=j) then the matrix A=[aij]n×n is a _______ matrix
Solve the following equation for x and y, if3x−y=[1−1−11] and x−3y=[00−1−1]
If [ 11x ]⎣⎡1 0 2 021210⎦⎤⎣⎡111⎦⎤=0, then find x.
Find the number of all possible matrices of order 3×3 with each entry 0 and 1.
Let A and B be square matrices of the other 3×3. Is (AB)2=A2B2? Give reasons.
The matrix ⎣⎡−1210 13 4⎦⎤ is a