Let Q be the image of the point P(–2, 1, –5) in the plane 3x – 2y + 2z + 1 = 0.
Consider the following :
1.The direction ratios of the line segment PQ are <3, –2, 2>.
2.The sum of the squares of direction cosines of the line segment PQ is unity.
Which of the above statements is/are correct ?
Mathematics
2016
NDA Mathematics 2016
NDA 2016
Options
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