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Question

Solve for x and y where x and y are real numbers
2y+ix=4+x−i

A
x=1;y=32
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B
x=1;y=32
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C
x=1;y=32
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D
x=1;y=32
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Solution

The correct option is B x=1;y=32
Given, 2y+ix=4+xi
First equating real terms, we get
2y=4+x
And now equating imaginary terms,
x=1
Putting this value of x in equation (1), we get
2y=4+x
2y=41
2y=3
y=32
Therefore, x=1, and y=32

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