1.

Find the scalar and vector projection of veca on vecb. veca = hati-hatj-hatk,vecb = 3hati+hatj+3hatk.

Answer»

SOLUTION :Scalar projection of `VECA` on `VECB`
= `((veca.vecb)/|vecb|) vecb/|vecb| = 1/sqrt19 (3hati+hatj+3hatk)/sqrt19`
`(-3hati+hatj+3hatk)/19`


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