Power is calculated as the amount of work done in a given time period. It is the ratio of work and time. Mathematically it is represented by:... View Article
In mathematics, combination or nCr, is the method of selection of ‘r’ objects from a set of ‘n’ objects where the order of selection does not... View Article
Linear programming is widely used in research analysis for optimization. To determine the optimal scenario of an operational research LPP has... View Article
Solving the linear equations of the form ax+b = 0 is very easy, where a and b are the real numbers and x is an unknown variable. For example,... View Article
Cross product or vector product is distributive across addition of vectors, such that; a × (b + c) = a × b + a × c Similarly, dot product or... View Article
Mean value theorem can be applied to the function f(x) if it is continuous at a closed interval [a,b] and differentiable at open interval (a,b),... View Article
We can use the cofactor method or Laplace expansion method to find the determinant of a 5x5 matrix. In this method we can easily pick any of the... View Article
When a plane intersects a right circular cone, we get conic sections, such as: Circle Ellipse Hyperbola Parabola Learn more: Conic Sections... View Article
Determinant of a matrix is the scalar quantity that can be determined by using a square matrix. If A is a matrix, then determinant of A is... View Article
In mathematics, the four properties of numbers are commutative, associative, distributive and identity. Commutative property A+B = B+A A.B... View Article
(sin 40o + i cos 40o)5 = i5(cos 400-i sin 400)5 = i(cos 2000-i sin 2000) = i(cos 1800+200)-i sin (1800+200) = i (-cos 200+i sin 200) = -i cos... View Article
