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Rolle's Theorem

Find the valu...

Question

Find the value of x and y if (x+2y)+i(2x-3y)is the conjugate of 5+4i

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Solution

(x+2y)+i(2x-3y)=5-4i
so x+2y=5 2x-3y=-4
solving above equation
x=1 and y=2

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