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[" 7.D and "E" are points on sides "AB" ...

[" 7.D and "E" are points on sides "AB" and "AC" respectively of "/_ABC" such that "],[mu r(DBC)=ar(EBC)" .Prove that DEIIBC."],[XY" is a line parallel to side "BC" of a triangle "ABC" .If BEIIAC and CFIIAB meet "XY" at "E],[" and "F" respectively,show that "],[qquad ar(ABE)=ar(ACF),D],[" (A "]

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