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manjula
Questions (12)
the axes are rectangular and a point P moves on the fixed plane lx+my+nz=p.the plane through P perpendicular to OP meets the
1 answer
579 views
the axes are rectangular and a point P moves on the fixed plane lx+my+nz=p.the plane through P perpendicular to OP meets the
0 answers
455 views
two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to
0 answers
426 views
if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose
0 answers
521 views
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
0 answers
762 views
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
1 answer
503 views
find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?
0 answers
273 views
two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to
0 answers
501 views
if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose
4 answers
1,677 views
if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles
1 answer
567 views
show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.
2 answers
748 views
find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?
0 answers
261 views
