In△ ABC,\angle A is obtuse,PB\perp AC and QC\perp AB.Prove that BC^2 – InterviewSolution

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1.	In△ ABC,\angle A is obtuse,PB\perp AC and QC\perp AB.Prove that BC^2=( AC× CP+AB× BQ)
Answer» In△ ABC,\angle A is obtuse,PB\perp AC and QC\perp AB.Prove that BC^2=( AC× CP+AB× BQ)

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