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Question
Choose correct alternatives :
The direction cosines of the normal to the plane 2x – y + 2z = 3 are ______
Options
`(2)/(3),(-1)/(3),(2)/(3)`
`(-2)/(3),(1)/(3),(-2)/(3)`
`(2)/(3),(1)/(3),(2)/(3)`
`(2)/(3),(-1)/(3),(-2)/(3)`
Solution
`(2)/(3),(-1)/(3),(2)/(3)`
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