1.

Show that the vector $ \mathrm{A}=\hat{\mathbf{i}}-\hat{\mathbf{j}}+2 \hat{\mathbf{k}} $ is parallel toa vector $ \mathbf{B}=3 \hat{\mathbf{i}}-3 \hat{\mathbf{j}}+6 \hat{\mathbf{k}} $

Answer»

B= 3(î-ĵ+2k̂)= 3A

B can be expressed in form λA where λ=3, which means vector B is parallel to vector A.



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