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Let bar a = 2 bari + 4 bar j - 5 bark, b...

Let `bar a = 2 bari + 4 bar j - 5 bark, bar b= bar i + bar j + bar k and bar c = bar j + 2 bar k`. Find the unit vector in the opposite direction of `bar a + bar b + bar c`.

Text Solution

Verified by Experts

The correct Answer is:
`(-(3bari + 6 barj-2 bark))/(7)`
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