Definition:A set may be viewed as any well defined collection of object. The objects are called the elements or members of the set. A set will usually be denoted by a capital letter, such as, A,B,X,Y,……………………… Whereas lower case letters a,b,c,x,y,z………. will usually be used to denote elements of sets. ...

Read More »## Partial differential equation

Definition: An equation involving partial derivatives is called partial differential equation. Shortly it is written as P.D.E. Some notation for derivatives: Formulation of partial differential equation: (i) Elimination of arbitrary constant and (ii) Elimination of arbitrary function. Procedure of elimination of arbitrary constant: Let us consider the relation g(x,y,z,a,b)=0 ———————————-(i) ...

Read More »## What is triangle? Description of triangle.

Definition: The figure bounded by three line segments is a triangle 1.The figure bounded by three line segments is a triangle 2.The line segments are known as the sides of the triangle. 3.The point common to any two sides is known as vertex. The angle formed at the vertex is ...

Read More »## Parallel Straight Line

Parallel Straight Line: Definition: Lying in the same plane , two straight lines which do not meet are called parallel lines. Some Corollary for parallel straight line: 1.When a transversal cuts two parallel straight lines, the corresponding angles are Equal. 2.When a transversal cuts two parallel straight lines, the alternate ...

Read More »## What is ratio? Describe different type of ratio.

Ratio: When two category are compared to ascertain how many times the first contains the other, this kind of comparison is known as ratio between the two quantities. Ratio has no unit and a fraction. Mathematical Symbol of ratio: The mathematical symbol of ratio is represented by the sign “ ...

Read More »## Description of all about of Number

Number Digit: For calculation or counting we used some symbol , that are known as digit. There are two kinds of digit: i) Significant digit and ii) Signifying the empty place. Significant digit: 1 to 9 is significant digit , Signifying the empty place: 0 is the Signifying the empty ...

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