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A B C is a triangle in which A B=A C\ ...

`A B C` is a triangle in which `A B=A C\ a n d\ P` is a point on `A C` . Through `C` a line is drawn to intersect `B P` produced at `Q` such that `/_A B Q=\ /_A C Qdot` Prove that: `/_A Q C=90^0+1/2/_B A C`

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