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Consider the vector vec a = hat i + hat ...

Consider the vector `vec a = hat i + hat j - 2hat k`
(i) Write the direction ratios of `vec a`
(ii) Hence find the direction cosines of `veca`.

Text Solution

Verified by Experts

The correct Answer is:
(i) 1,1,-2
(ii) `(1)/(sqrt6), (1)/(sqrt6), (-2)/(sqrt6)`
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