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Question Number 11020 by ridwan balatif last updated on 07/Mar/17

Answered by sandy_suhendra last updated on 08/Mar/17

Commented by sandy_suhendra last updated on 08/Mar/17

$$1)\mathrm{P}(-\frac{1}{2}\mathrm{A},-\frac{1}{2}\mathrm{B})=\mathrm{P}(5,7)$$$$\mathrm{PB}=\mathrm{r}=\sqrt{\frac{1}{4}{\mathrm{A}}^2+\frac{1}{4}{\mathrm{B}}^2-\mathrm{C}}=\sqrt{25+49+151}=15$$$$\mathrm{AP}=\sqrt{{(5+7)}^2+{(7-2)}^2}=13$$$$\mathrm{jarak}\mathrm{terdekat}=\mathrm{AB}=15-13=2$$

Answered by sandy_suhendra last updated on 08/Mar/17

Commented by sandy_suhendra last updated on 08/Mar/17

$$2)\mathrm{P}(2,1)\mathrm{dan}\mathrm{r}=\sqrt{32}=4\sqrt{2}$$$$\mathrm{AP}=\sqrt{{(3-2)}^2+{(2-1)}^2}=\sqrt{2}$$$$\mathrm{jarak}\mathrm{terjauh}=\mathrm{AB}=4\sqrt{2}+\sqrt{2}=5\sqrt{2}$$

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