Three Dimensional Geometry

Question

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The angle between the lines 2x = 3y = − z and 6x = − y = − 4z is

0^o

90^o

45^o

30^o

Answer

B.

90^o

Angle between the lines 2x = 3y = - z & 6x = -y = -4z is 90°
Since a₁a₂ + b₁b₂ + c₁c₂ = 0

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Some More Questions From Three Dimensional Geometry Chapter

Find the direction cosines of x, y and z-axis.

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