Question 977235
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Since A and B are complementary:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (2x\ +\ 3)\ +\ (y\ -\ 2)\ =\ 90]


Likewise,


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (2x\ -\ y)\ +\ (x\ -\ 1)\ =\ 90]


Solve the 2X2 linear system for *[tex \Large x] and *[tex \Large y], then substitute these values into the given expressions to derive A, B, C, and D


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \