a. 5i + j + 8k
b. -5i + 3 j + 2k
c. 2i + 2j + 2k
d. 2i + 2j + 6k
e. -10i + 2j + 6k
Guru Menjawab \begin{aligned}\vec{F_1}x\vec{F_2}&=&\left(A_yB_z-A_zB_y\right)i+\left(A_zB_x-A_xB_z\right)j+\left(A_xB_y-A_yB_x\right)k\\\vec{F_1}x\vec{F_2}&=&\left(\left(-1\right)\bullet.6-2\bullet2\right)i+\left(2\bullet4-1\bullet6\right)j+\left(1\bullet2-\left(-1\right)\bullet4\right)k\\\vec{F_1}x\vec{F_2}&=&-10i+2j+6k\end{aligned}
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