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QUESTION

Find the angle of rotation needed to eliminate the xy term in the equation 2x²+3xy+y²-4=0. A: 38.74 degrees B: 71.56 degrees C: 35.78 degrees D: 45.72 degrees

Find the angle of rotation needed to eliminate the xy term in the equation 2x²+3xy+y²-4=0.

A: 38.74 degrees

B: 71.56 degrees

C: 35.78 degrees

D: 45.72 degrees

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