Plane from Wolfram MathWorld
A plane is a two dimensional doubly ruled surface spanned by two linearly independent vectors. The generalization of the plane to higher dimensions is called a hyperplane. The angle between two intersecting planes is known as the dihedral angle. The equation of a plane with nonzero normal vector n=(a,b,c) through the point x_0=(x_0,y_0,z_0) is ...
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Algebra – Revision Notes on Vectors for IIT JEE ...
Revision Notes on Vectors. The length or the magnitude of the vector = (a, b, c) is defined by w = √a 2 b 2 c 2. A vector may be divided by its own length to convert it into a unit vector, i.e. ? = u |u|.
Quadrilateral from Wolfram MathWorld
Quadrilateral. A quadrilateral, sometimes also known as a tetragon or quadrangle (Johnson 1929, p. 61) is a four sided polygon. If not explicitly stated, all four polygon vertices are generally taken to lie in a plane.
A vector space (also called a linear space) is a collection of objects called vectors, which may be added together and multiplied ("scaled") by numbers, called scalars.
Shortest Distance Between two Non Intersecting Lines ...
Grasp the concepts of shortest Distance Between Lines including distance between skew lines and 3 dimensional distance formula with the study material for IIT JEE by askIITians.
Autograph Maths The Dynamic Classroom Software
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In physics, the reciprocal lattice represents the Fourier transform of another lattice (usually a Bravais lattice). In normal usage, this first lattice (whose transform is represented by the reciprocal lattice) is usually a periodic spatial function in real space and is also known as the direct lattice.
Kimberlé Crenshaw: The urgency of intersectionality | TED Talk
Now more than ever, it's important to look boldly at the reality of race and gender bias and understand how the two can combine to create even more harm. Kimberlé Crenshaw uses the term "intersectionality" to describe this phenomenon; as she says, if you're standing in the path of multiple forms of exclusion, you're likely to get hit by both.
parallel Dictionary Definition : Vocabulary
Parallel is from Greek parallēlos, from the prefix para "beside" plus allēlōn "of one another," from allos "other." As a noun, a parallel is a way in which things resemble each other––you might draw parallels between the Vietnam War and the US invasion of Iraq.