JEE Main 2013 Mathematics question
A vector is inclined to x-axis at 45°, to y-axis at 60° and at an acute angle to z-axis. If is a normal to a plane passing through the point then the equation of the plane is :
Answer: (2)
Solution
Direction cosines (the third from , γ acute), so . Plane: $2(x - 2) + (y +
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