Solved

Use Rotation of Axes Formulas
- 7x2+63xy+y243=0;θ=307 x ^ { 2 } + 6 \sqrt { 3 } x y + y ^ { 2 } - 43 = 0 ; \theta = 30 ^ { \circ }

Question 9

Multiple Choice

Use Rotation of Axes Formulas
- 7x2+63xy+y243=0;θ=307 x ^ { 2 } + 6 \sqrt { 3 } x y + y ^ { 2 } - 43 = 0 ; \theta = 30 ^ { \circ }


A) x24310y2432=1\frac { x ^ { 2 } } { \frac { 43 } { 10 } } - \frac { y ^ { \prime 2 } } { \frac { 43 } { 2 } } = 1
B) x24310+y2432=1\frac { x ^ { \prime 2 } } { \frac { 43 } { 10 } } + \frac { y ^ { \prime 2 } } { \frac { 43 } { 2 } } = 1
C) x2110y212=1\frac { x ^ { \prime 2 } } { \frac { 1 } { 10 } } - \frac { y ^ { \prime 2 } } { \frac { 1 } { 2 } } = 1
D) x2110y2432=1\frac { x ^ { \prime 2 } } { \frac { 1 } { 10 } } - \frac { y ^ { \prime 2 } } { \frac { 43 } { 2 } } = - 1

Correct Answer:

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