Question

Which one of the following is an irrational number:

(a) √4 (b) 3√ 8 (c) √100 (d) -√0.64
explain answer ​

Answer 1

Answer:

b)3_/8

Step-by-step explanation:

3_/8 is an irrational number as the roots are found in decimals.

in _/ the root is 2

in _/100 the root is 10

-_/0.64 is not a real number but an imaginary number.

Answer 2

Answer:

An irrational number is a number that cannot be expressed as a fraction for any integers and. . Irrational numbers have decimal expansions that neither terminate nor become periodic. Every transcendental number is irrational.

3 root 8 is the correct answer