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if x. y€R such that (3x-2yi) (2+i) ×(2+i) =10(1+i) then find the value of 15(x-2y)?= ?​

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What are x and y? x(1+2i)+y(2-i)=4+3i

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HALA718 eNotes educator | CERTIFIED EDUCATOR

x(1+ 2i) + y( 2-i) = 4 + 3i

Let us expand the brackets.

==> x + 2xi + 2y - yi = 4 + 3i.

==> We will combine real terms and complex terms together.

==> (x+ 2y) + (2x -y) i = 4 + 3i.

Now we will compare terms.

==> x + 2y = 4 ..............(1)

==> 2x - y = 3 ....................(2)