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Consider the vectors vec a = 2 hat i + 2...

Consider the vectors `vec a = 2 hat i + 2 hat j - 5 hat k` and `vec b= -hat i + 7 hat k`
(a).Find `vec a + vec b`.
(b) Find a unit vector in the direction of `vec a + vec b`.

Text Solution

Verified by Experts

The correct Answer is:
(a)`hat i + 2 hat j + 2 hat k`
(b) `1/3 (hat i + 2 hat j + 2 hat k)`
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