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The component of a vector r along X-axis...

The component of a vector `r` along X-axis will have maximum value if

A

`vec( r )" " "is along " +` ve x - axis.

B

`vec( r )" " "is along " +` ve y - axis

C

`vec( r )" " "is along " -` ve y - axis

D

`vec( r )` make as angle of `45^(@)` with the x-axis.

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The correct Answer is:
A
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