# Real Number SSC Public Examination Maths

## REAL NUMBERMATHEMATICS

REAL NUMBER SSC PUBLIC EXAMINATION

CHAPTER WISE DIVISION
OF SYLLABUS

PAPER – I

Definition of Real Number :

• Positive or negative, Large or small, whole numbers or decimal numbers are all Real Number .
• They are called “ Real Numbers ” because they are not Imaginary Numbers.
• The type of numbers we normally use , such as 1, 15.82, -0.1, ¾, etc…

Definition of Imaginary Numbers :

• A
number that when squared gives a negative result.
• When
we square a Real Number ( multiply it by itself ) we always get a positive, or
zero, result. For example 2 X 2 = 4, and ( -2 ) X (-2 ) = 4 as well.

In mathematics,
a real number is a value of a continuous quantity that can represent a distance
along a line.. The real numbers include all the rational numbers, such as the
integer -5 and the fraction 4/3, and all the irrational numbers, such as the
square root of 2, an irrational algebraic.

JOHN NAPIER ( 1550 – 1617 ) :

JOHN NAPIER is best known as the discoverer of logarithms. He also invented the so – called “ Napier’s bones “ and made common the use of the decimal point in arithmetic and mathematics.

• Born : 1550, Merchiston Tower, Edinburgh, Scotland.
• Died : 4th April 1617 ( aged 66 – 67 ), Edinburgh, Scotland.
• Fields : Mathematician, Physicist, Astronomer.
• Known for : Logarithm, Napier bones, Decimal notation.
• Nick Name : marvelous Merchiston
• Napier bones are used for multiplications , divisions and to extract square roots of given numbers.

 S.NO. REAL NUMBERS 1 EXERCISE – 1 .1 2 EXERCISE – 1 . 2 3 EXERCISE – 1 . 3 4 EXERCISE – 1 . 4 5 EXERCISE – 1 . 5 6 EXERCISE – 1 . 6

plz visit to 10th class maths syllabus