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If the transformed equation of xy=c2 when the axis are rotated through an angle of π4 (in the anti clockwise direction), is pX2+qY2=rc2, then p−q+r is equal to |
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Answer» If the transformed equation of xy=c2 when the axis are rotated through an angle of π4 (in the anti clockwise direction), is pX2+qY2=rc2, then p−q+r is equal to |
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