A: If the transformed equation of a curve is `9X^(2) + 16Y^(2) = 144` when the axes are rotated through an angle `45^(@)`, then the original equation is `25x^(2) - 14xy+ 25y^(2) = 288`. R: If f(x,y)=0 is the transformed equation of a curve when the axes are rotate through an angle `theta` then the original equation of the curve is `f(x cos theta + y sin theta, -x sin theta + y cos theta)=0`
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false
D
A is false but R is false
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The correct Answer is:
A
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