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verify whether the following ratios ar...

verify whether the following ratios are direction cosines of some vector or not .
( i) `1/5, 3/5, 4/5 ` (ii) ` 1/sqrt2, 1/2, 1/2`
` 4/3 ,0, 3/4`

Text Solution

Verified by Experts

The correct Answer is:
(i) 1
(ii) 1
(iii) 1
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