Solved: If dl = 31 - 2J + 4k and d2 = -sf + 2] - k, then
Chapter , Problem 36(choose chapter or problem)
If \(\vec{d}_{1}=3 \hat{\mathrm{i}}-2 \hat{\mathrm{j}}+4 \hat{\mathrm{k}}, \ \vec{d}_{2}=-5 \hat{\mathrm{i}}+2 \hat{\mathrm{j}}-\hat{\mathrm{k}}\), then what is \(\left(\vec{d}_{1}+\vec{d}_{2}\right) \cdot\left(\vec{d}_{1} \times 4 \vec{d}_{2}\right)\)?
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