If the coordinates of the points A,B,C,D...

If the coordinates of the points A,B,C,D be (1,2,3),(4,5,7),(-4,3,-6) and (2,9,2) respectively , then find the angle between the line AB and CD.

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NEW JOYTHI PUBLICATION-THREE DIMENSIONAL GEOMETRY-Ncert Miscellaneous Exercise

If l1,m1,n1 and l2,m2,n2 are the direction cosines of two mutually per...
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Find the angle between the lines whose direction ratios are a,b,c and ...
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Find the equation of a line parallel to x-axis and passing through the...
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If the coordinates of the points A,B,C,D be (1,2,3),(4,5,7),(-4,3,-6) ...
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If the lines (x-1)/(-3) =(y-2)/(2k) =(z-3)/2 and (x-1)/(3k)=(y-1)/1=(z...
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Find the vector equation of the line passing through (1,2,3) and perpe...
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Find the equation of the plane passing through (a,b,c) are parallel to...
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Find the shortest distance between the lines vecr=6hati+2hatj+2hatk+la...
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Find the coordinates of the point where the line through (5,1,6) and (...
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Find the coordinates of the point where the line through (5,1,6) and (...
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Find the coordinates of the point where the line through (3,-4,-5) and...
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Find the vector and cartesian equations of the plane passing through t...
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If the points (1,1,p) and (-3,0,1) are equidistant from the plane vecr...
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Find the equation of the plane passing through the line of intersectio...
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If O is the origin and the coordinates of P be (1,2,-3) , then find th...
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Find the equation of the plane which contains the line of intersection...
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Find the angle between the line vecr=(2hati+2hatj+hatk)+lambda(2hati-3...
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Find the vector equation of the line passing through (1,2,3) and paral...
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If a,b , c are distinct +ve real numbers and a^(2)+b^(2)+c^(2)=1" then...
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The planes 2x -y+4z=5 and 5x-2.5y+10z=6 are
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