Given A -2- - -2k- - B - -2- -2k-The unit vector of A - B

The correct option is B 3î +ĵ√( 10 ) Here , #160; A⃗ B⃗ = #160; 3î+ĵ Now , unit vector along #160; A⃗ B⃗ = #160; A⃗ B⃗ | A⃗ B⃗ | ...

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Unit Vectors

Given A =2î...

Question

Given $\to A = 2^i -^j + 2^k; \to B = -^i - 2^j + 2^k$
The unit vector of $\to A - \to B$

\frac{^k}{\sqrt{10}}

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\frac{3^i}{\sqrt{10}}

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\frac{3^i +^j}{\sqrt{10}}

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\frac{- 3^i +^k}{\sqrt{10}}

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Solution

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Similar questions

If \to a = 2^i + 3^j +^k, \to b =^i - 2^j +^k and \to c = - 3^i +^j + 2^k,

[\to a \to b \to c] .

\to a . (\to b \times \to c)

\to a = 2^i +^j + 3^k, \to b = -^i + 2^j +^k a n d \to c = 3^i +^j + 2^k

Find $\to a . (\to b \times \to c)$ , if $\to a = 2^i +^j + 3^k, \to b = -^i + 2^j +^k$ and $\to c = 3^i +^j + 2^k$ .

\to A =^i - 2^j + 2^k, \to B = 2^i +^j -^k

\to C = 3^i -^j + 2^k

\to A =^i - 2^j +^k

\to B = 3^i - 2^j -^k

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