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Use Rotation of Axes Formulas
- 5x26xy+5y28=0;θ=455 x ^ { 2 } - 6 x y + 5 y ^ { 2 } - 8 = 0 ; \theta = 45 ^ { \circ }

Question 209

Multiple Choice

Use Rotation of Axes Formulas
- 5x26xy+5y28=0;θ=455 x ^ { 2 } - 6 x y + 5 y ^ { 2 } - 8 = 0 ; \theta = 45 ^ { \circ }


A) x24+y2=1\frac { x ^ { \prime 2 } } { 4 } + y ^ { \prime 2 } = 1
B) x24+y24=1\frac { x ^ { \prime 2 } } { 4 } + \frac { y ^ { \prime 2 } } { 4 } = 1
C) x24+2y2=1\frac { x ^ { \prime 2 } } { 4 } + 2 y ^ { \prime 2 } = 1
D) x2+4y2=1x ^ { \prime 2 } + 4 y ^ { \prime 2 } = 1

Correct Answer:

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