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2

If and then find

a_{22} + b_{21}

15

Find x, y satisfying the matrix equations.

[x y + 2 z - 3] + [y 4 5] = [4 9, 12]

24

If find x.

24

If find x.

25

If find x

26

If find x.

1

Let and verify that

(2A)^{T} = 2A^{T}

1

If prove that A – A^{T} is a skew-symmetric matrix.

2

If and . Write the order of AB and BA.

58

If , find x.

1

If , then A^{2} is equal to