Determine the appropriate rotation formulas to use so that the new equation contains no xy-term.14x2 + 12
xy + 2y2 - 24 = 0
A. x = (
x' + y') and y =
(x' -
y')
B. x = (
x' - y') and y =
(x' +
y')
C. x = (x' -
y') and y =
(
x' + y')
D. x = (
x' - y') and y =
(x' +
y')
Answer: B
Mathematics
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