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Find the direction cosine of line which ...

Find the direction cosine of line which is perpendicular to the lines with direction ratio `[1, -2, -2] and [0, 2, 1].`

Text Solution

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The correct Answer is:
`((2)/(3), -(1)/(3), (2)/(3)) or ((-2)/(3), (1)/(3), (-2)/(3))`
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