1.

Let u=2i-j+3k" and "a=4i-j+2k. The vector component of u orthogonal to a is

Answer»

`-1/7(6i+2j-11k)`
`1/7(-6i+2j-11k)`
`-1/7(6i-2j+11k)`
`-1/7(-6i+2j+11k)`

ANSWER :A


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