If the vectors 2i- j-k and 2i-2j-2k are perpendicular to each other then find -

If they are perpendicular #160; 2 × 2+λ× 2+( 1) × 2=0 2λ=2 λ=1 ...

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Applications of Dot Product

If the vector...

Question

If the vectors $2 i + λ j - k$ and $2 i - 2 j + 2 k$ are perpendicular to each other then find $λ$

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\vec{a} = 2 \hat{i} + λ \hat{j} + \hat{k} and \vec{b} = \hat{i} - 2 \hat{j} + 3 \hat{k}

\vec{a} = 2 \hat{i} + λ \hat{j} + \hat{k} and \vec{b} = \hat{i} - 2 \hat{j} + 3 \hat{k}

\vec{a} = \hat{i} - \hat{j} + \hat{k}, \vec{b} = 2 \hat{i} + \hat{j} - \hat{k}, \vec{c} = λ \hat{i} - \hat{j} + λ \hat{k}

\vec{a} = 2 \hat{i} - \hat{j} + \hat{k}, \vec{b} = \hat{i} + 2 \hat{j} - 3 \hat{k}, \vec{c} = λ \hat{i} + λ \hat{j} + 5 \hat{k}

\vec{a} = \hat{i} + 2 \hat{j} - 3 \hat{k}, \vec{b} = 3 \hat{i} + λ \hat{j} + \hat{k}, \vec{c} = \hat{i} + 2 \hat{j} + 2 \hat{k}

\vec{a} = \hat{i} + 3 \hat{j}, \vec{b} = 5 \hat{k}, \vec{c} = λ \hat{i} - \hat{j}

λ \hat{i} + \hat{j} + 2 \hat{k}, \hat{i} + λ \hat{j} - \hat{k} and 2 \hat{i} - \hat{j} + λ \hat{k}

2 \hat{i} + λ \hat{j} + 3 \hat{k} and 3 \hat{i} + 2 \hat{j} - 4 \hat{k}

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