1.

If veca=2hati-hatj+hatk,vecb=3hati+2hatj-3hatk and vecc=hati+2hatj+hatk then 2veca+vecb-vecc=

Answer»

`6hati-2hatj-2hatk`
`6hati+2hatj-2hatk`
`6hati-2hatj+2hatk`
`6hati+2hatj+2hatk`

ANSWER :A


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