📐 Mathematics · Chapter-Wise Mock Test
~2 questions per paper · 8% Mathematics weightage
a·b = |a||b|cosθ|a×b| = |a||b|sinθDirection cosines: l²+m²+n²=1Distance point to plane: |ax+by+cz+d|/√(a²+b²+c²)Distance between skew lines, angle between two planes, equation of plane through 3 points, foot of perpendicular from point to line/plane, and coplanarity condition of lines appear most frequently in JEE Main.
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