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Question

Given that x,yϵR, solve 4x2+3xy+(2xy3x2)i=4y2(x22)+(3xy2y2)i

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Solution

In the given equation, real parts of both LHS and RHS will be equal
Therefore, 4x2+3xy=4y2x229x2+6xy8y2=09x2+12xy6xy8y2=03x(3x+4y)2y(3x+4y)=0(3x+4y)(3x2y)=0(1)

Similarly, imaginary parts are equal
2xy3x2=3xy2y23x2+xy2y2=03x2+3xy2xy2y2=03x(x+y)2y(x+y)=0(x+y)(3x2y)=0(2)

From (1) and (2)
3x=2y



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