Find the direction cosines of the perpendicular from the origin to the plane r.(2i-3j-6k) = 5

Asked by Charvi Ahuja | 31st Mar, 2013, 02:00: PM

Expert Answer:

Equation of the plane = r.(2i-3j-6k) = 5
So, the direction ratios of the perpendicular are 2,-3, -6. 
Hence, the direction cosines are

Answered by  | 31st Mar, 2013, 05:22: PM

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