0 Vector Algebra Vector A physical quantity which has both magnitude and direction is called vector. Magnitude of Vector Magnitude of Vector Parallel Vector Parallel Vector Unit Vector Unit Vector Ratio Formula Ratio Formula Amna Mughal Graphic Designer | SEO Optimizer | Blogger | Java Developer | Photographer. About Author Amna Mughal Graphic Designer | SEO Optimizer | Blogger | Java Developer | Photographer Popular Posts Show that the vectors 5a + 6b + 7c, 7a - 8b + 9c, 3a + 20b + 5c are coplanar. Where a, c, and c are non-coplanar. Show that the vectors 5a + 6b + 7c, 7a - 8b + 9c, 3a + 20b + 5c are coplanar. Where a, c, and c are non-coplanar. Prove that the four points 2a + 3b - c, a - 2b + 3c, 3a + 4b -2c and a - 6b + 6c are coplanar, where a, b, c are no-coplanar Prove that the four points 2a + 3b - c, a - 2b + 3c, 3a + 4b -2c and a - 6b + 6c are coplanar, where a, b, c are no-coplanar Prove t... If a and b are unit vectors and θ is the angle between them, then how do I prove that sin θ/2 = ½ |a-b|? If a and b are unit vectors and θ is the angle between them, then how do I prove that sin θ/2 = ½ |a-b|? Prove that the three points -2a + 3b + 5c, a + 2b + 3c and 7a - c are colinear, where a, b, c are non-coplanar. Prove that the three points -2a + 3b + 5c, a + 2b + 3c and 7a - c are colinear, where a, b, c are non-coplanar. Show that (a-b)/(an -bn) for all n greater than and equal to Zero and belongs to Z. 1 2 Follow Us on facebook Maths Worlds 786 Tags math mathematics vector median kinematics mechanics Euclid's Theorem coplanar dynamics mechanics noncoplanar static mechanics diagonal divisibility divisor straightline triangle midpoint concurrent introduction quadrilateral Dot Product Scalar Product algebra curvature element parallelepiped parallelogram parallels perpendicular sets subsets term theory topology trisected