Let u be a vector coplanar with the vectors a=2i^+3j^−k^ and b=j^+k^ If u is perpendicular to a and u.b=24 then ∣u∣2 is equal to

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Let {{u}} be a vector coplanar with the vectors {{a}}={2}{{i}}

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Let $u$ be a vector coplanar with the vectors $a = 2 \hat{i} + 3 \hat{j} - \hat{k}$ and $b = \hat{j} + \hat{k}$ If $u$ is perpendicular to $a$ and $u . b = 24$ then $∣ u ∣^{2}$ is equal to

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Owen Discussed

Let

u

be a vector coplanar with the vectors

a = 2 \hat{i} + 3 \hat{j} - \hat{k}

and

b = \hat{j} + \hat{k}

u

is perpendicular to

a

and

u . b = 24

then

∣ u ∣^{2}

is equal to

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Question Text	Let $u$ be a vector coplanar with the vectors $a = 2 \hat{i} + 3 \hat{j} - \hat{k}$ and $b = \hat{j} + \hat{k}$ If $u$ is perpendicular to $a$ and $u . b = 24$ then $∣ u ∣^{2}$ is equal to
Answer Type	Video solution: 1
Upvotes	150