Question

10. Which of the following number is an irrational number?
(a) √16 − 4 (b) (3 − √3) (3 + √3) (c) √ + 3 (d) −√25

Answer 1

(c) underroot (any no. here) +3

but no. should not be 1 or 0

So, (c) is the answer

A is not the answer because

Underroot 16 is equal to 4

And 4 - 4 is 0 and it is rational.

B is not answer because

It is = 3 square - underrot 3 square which is equal to

9 - 9 =0 which is rational.

D is equal to - 5 which is rational

Answer 2

Step-by-step explanation:

option c is the answer.....