Let $\vec{r}$ is a position vector of a variable point in Cartesian OXY plane such that $\vec{r} \cd

Question

Let $\vec{r}$ is a position vector of a variable point in Cartesian OXY plane such that $\vec{r} \cdot(10 \hat{j}-8 \hat{i}-\hat{r})=40$ and $p_1=\max \left\{|\vec{r}+2 \hat{i}-3 \hat{j}|^2\right\}, p_2=\min \left\{|\vec{r}+2 \hat{i}-3 \hat{j}|^2\right\}$.

Professor PC Thomas Classes · Answer

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