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[" 7.If "x=3sin^(2)theta*y=3cos^(2)theta...

[" 7.If "x=3sin^(2)theta*y=3cos^(2)theta+1" ,then tind "x+y" ."],[" 8."ABC" and "BDE" are two equilateral triangle such that "D" is the mid "-" point of "BC" .find ratio of the "],[" areas of triangles "ABC" and "BDE" ."]

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