For any non-zero vector r→,r→×i^2+r→×j^2+r→×k^2=λr→2, th – InterviewSolution

1.	For any non-zero vector r→,r→×i^2+r→×j^2+r→×k^2=λr→2, then λ= ___________________.
Answer» For any non-zero vector $\vec{r}, {\|\vec{r} \times \hat{i}\|}^{2} + {\|\vec{r} \times \hat{j}\|}^{2} + {\|\vec{r} \times \hat{k}\|}^{2} = λ {\|\vec{r}\|}^{2}, then λ =___________________.$

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