Question

DJ 2013
7.
IfA=B, then which ofthe following is not correct?
1) A =
2) 4 =B
3) AB = BA
4) A+B=A+B
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Answer 1

Answer:

Then B is of the type (a) 3 X 4 (b) 3 X 3 (c) 4 X 4 (d) 4 X 3 If A and B are square matrices ... = A2 +32 + 2A8, then (a) AB=BA (b) A=B (c) A= B' (d) A=—B Which of the ...