The product of the matrices is an identity matrix. Therefore, X and A are inverse of each other.
The matrices are given as:
To check the matrices are inverse, we calculate their products.
Multiply the rows of A by the column of X.
This gives
The product of A and X is an identity matrix.
This means that; both matrix are inverse of each other
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The answer is b.
This is because the line is sloping downwards, and so y = -1
6 because 2x2x2x2x2x2=64
2x2=4x2=8x2=16x2=32x2=64
I believe the correct answer from the choices listed above is option B. <span>The discriminant of a quadratic equation is negative. One solution is 3+4i . The other would be 3-4i. Hope this answers the question. Have a nice day.</span>