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Question

If (i, j)th element of matrix A is 2+3i , what is the corresponding element in A* or conjugate of A.


A

-2 - 3i

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B

3 + 2i

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C

2 - 3i

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D

3 - 2i

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Solution

The correct option is C

2 - 3i


By the term complex conjugate of a matrix, we mean that the sign of imaginary part of all the elements in the original matrix is reversed. i.e., if x + iy is the element in A, then x - iy would be the corresponding element in A*.


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