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If vec a= hat i+ hat j+ hat k , vec ado...

If ` vec a= hat i+ hat j+ hat k , vec adot vec b=2` and ` vec ax vec b=2 hat i+ hat j-3 hat k` , then ` vec a+ vec b=5 hat i-4 hat j+2 hat k` (b) ` vec a+ vec b=3 hat i+2 vec k` ` vec b=2 hat i- hat j+ hat k` (d) ` vec b= hat i-2 hat j-3 hat k`

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