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Vectors and Its Types

If A - B is a...

Question

If $\to A - \to B$ is a unit vector along x - axis and $\to A =^i -^j +^k$ , then what is $\to B$ ?

A

^j +^k

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B

^k -^j

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C

^i +^j +^k

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D

^i +^j -^k

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Solution

The correct option is B $^k -^j$
Unit vector along $x$ -axis $=^i$
So, $\to A - \to B =^i$
$(^i -^j +^k) - \to B =^i$
$\to B =^k -^j$

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