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Question Number 149462 by liberty last updated on 05/Aug/21

Answered by Olaf_Thorendsen last updated on 05/Aug/21

$$\mathrm{A}(-3,0)\mathrm{B}(1,-1)\mathrm{C}(0,3)\mathrm{D}(-1,3)$$$$\left(\mathrm{AC}\right):y=x+3$$$$\left(\mathrm{BD}\right):y=-2x+1$$$$\mathrm{P}=\left(\mathrm{AC}\right)\cap \left(\mathrm{BD}\right)=(-\frac{2}{3},\frac{7}{3})$$$$\mathrm{P}={(\mid \mathrm{PA}\mid +\mid \mathrm{PB}\mid +\mid \mathrm{PC}\mid +\mid \mathrm{PD}\mid )}_{min}$$

Commented by mr W last updated on 06/Aug/21

$$canweproveitsir?$$

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