From a point \( P \equiv(3,4) \) perpendiculars \( P Q \) and \( P R \) are drawn to line \( 3 x... VIDEO
From a point \( P \equiv(3,4) \) perpendiculars \( P Q \) and \( P R \) are drawn to line \( 3 x+4 y-7=0 \) and a variable line \( y-1=m(x-7) \) respectively, then maximum area of \( \triangle P Q R \) is :
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