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If with reference to the right handed sy...

If with reference to the right handed system of mutually perpendicular unit vectors `hati,hatjandhatk,,vecalpha=3hati-hatj,vecbeta=2hati+hatj-3hatk`, then express `vecbeta` in the form `vecbeta=vecbeta_(1)+vecbeta_(2)` , where `vecbeta_(1)` is parallel to `vecalphaandvecbeta_(2)` is perpendicular to `vecalpha`.

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UNITED BOOK HOUSE-SET 18-EXERCISE
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  16. The rate average change of the function y = x^2 between x = 1 and x = ...

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  17. veca = 3hati + 3hatj - hatk and vecb = 2hati + 6hatj + mhatk are perp...

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  18. The straihgt line (x-4)/(3) = (y-2)/(1) = (z-1)/(0) is

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