What is the equation of the plane passing through the points (-2, 6, -6), (-3, 10, -9) and (-5, 0, -6)?

NDA 2018 Mathematics question

What is the equation of the plane passing through the points , and ?

Answer: (A)

Two vectors in the plane: and . Their cross product is $(4·0-(-3)(-6),\ (-3)(-3)-(-1)(0),\ (-1)(-6)-4(-3)) =

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Question ID VK-028870