+91-8076753736 [email protected]

-->

Polynomials

Question

Wired Faculty App

Identify the following as rational or irrational numbers. Give the decimal representation of rational numbers.

$3 square root of 18$

Solution

3 square root of 18 equals 3 square root of 3 cross times 3 cross times 2 end root equals 3 cross times 3 square root of 2 equals 9 square root of 2

because space 9 left parenthesis not equal to 0 right parenthesis

is a rational number and

square root of 2

is an irrational number.

therefore space 9 square root of 2

is a irrational number.

therefore

the product of a non-zero rational number with an irrational number is irrational .

therefore space 3 square root of 18

is an irrational number.

Some More Questions From Polynomials Chapter

Find two rational numbers between 0.1 and 0.2.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation