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The component of vector A=(a(x)hati+a(y)...

The component of vector `A=(a_(x)hati+a_(y)hatka_(z)hatk)` along the direction of (i - j) is

A

`a_(x)-a_(y)+a_(z)`

B

`a_(x)-a_(y)`

C

`(a_(x)-a_(y))//sqrt2`

D

`a_(x)+a_(y)+a_(z)`

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The correct Answer is:
C
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