Question

Which of the following is an irrational number? a) 2√3, b) √3-(2+√3), c)√16, d)(2-√5)(2+√5)​

Answer 1

Step-by-step explanation:

b)

$\sqrt{3 } - (2 + \sqrt{3} ) = - 2$

-2 is rational number

c)

$\sqrt{16} = 4$

4 is rational number

d)

(a+b)*(a-b)=a^2-b^2

4-5=-1

which is rational number

option a is irrational

Answer 2

Answer:

hi world

Step-by-step explanation: