If a → and b → are perpendicular, then a → × a → × a → × a…

1. ${\left|\overrightarrow{a}\right|}^4\overrightarrow{b}$
2. $\overrightarrow{0}$
3. $\overrightarrow{a}\times \overrightarrow{b}$
4. $\frac{1}{2}{\left|\overrightarrow{\mathit{a}}\right|}^4\overrightarrow{\mathit{b}}$

Solution

Asked in: JEE Main 2021 (26 Feb Shift 1)

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