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Question

Find the real values of x and y, if
(x+iy)(23i)=4+i

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Solution

(x+iy)(23i)=4+i

2x3ix+2iy+3y=4+i

(2x+3y)+i(2y3x)=4+i

Comparing both sides of the above equation,

2x+3y=4 (1)

And,

2y3x=1 (2)

From equation (1) and (2), by elimination method,

x=513 and

y=1413


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