Courses – Dial Jio

RECTILINEAR FIGURES

Rectilinear Figure : A rectilirear figure is defined as the geometrical plane figure bounded by straight lines. Polygon : A

TRIANGLES

Triangle : A triangle is defined as a plane figure bounded by three sides. It has three angles. Types of

RELATIONS

We have several relations in our family life such as father and the son father and the daughter, brother and

VENN DIAGRAMS

The relations between sets can be shown through their diagrammatic represen- tation. One such representation was given by John-Venn, an

SET AND VENN DIAGRAM

Sets : A collection of well defined objects is called a set. e.g. set of chairs, tables, tall boys, fat

PERMUTATION AND COMBINATIONS

Permutation : It is defined as the ways of arranging The number of permutations of n objects taken r

BINOMIAL THEOREM

Bionmial Theorem (For Positive Integer) : l 2 r n n If x and a are two real positive quantities

PROGRESSIONS AND SERIES

There are three progressions or series namely, Arithmetical Progression Geometrical Progression Harmonical These series are discussed below. ARITHMETICAL PROGRESSION (1)

COMPLEX NUMBERS

Complex number : A number of the form z = x + iy where x, y are the set of

VECTORS

Physical qantities are of two types: scalers and vectors. Scaler Quantity : Scaler quantities are those physical quantities which have

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