Calculate where and .

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Calculate r=a+b\mathbf{r}=\mathbf{a}+\mathbf{b} where a=32i^−2j^+k^\mathbf{a}=\dfrac{3}{2}\hat{i}-\sqrt{2}\hat{j}+\hat{k} and b=−12i^+22j^−3k^\mathbf{b}=-\dfrac{1}{2}\hat{i}+2\sqrt{2}\hat{j}-3\hat{k}. (a) i^+32j^−2k^\hat{i}+3\sqrt{2}\hat{j}-2\hat{k} (b) i^+2j^−2k^\hat{i}+\sqrt{2}\hat{j}-2\hat{k} (c) i^+2j^+4k^\hat{i}+\sqrt{2}\hat{j}+4\hat{k} (d) −i^+2j^−2k^-\hat{i}+\sqrt{2}\hat{j}-2\hat{k}

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