Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

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1. Q86 2021 Set J2021 Set I

   The number of unit vector(s) perpendicular to a plane is

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2. Q87 2021 Set J2021 Set I

   If $\vec a=2\hat i-\hat j+2\hat k$ and $\vec b=-\hat i+\hat j-\hat k$, then

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