Question

which of the following is a irrational number
a)
$\sqrt{256}$
b)
$\sqrt{81 - \sqrt[3]{2} }$
c)
$\sqrt{18 - \sqrt{4} }$
d)
$\sqrt{48 - \sqrt[4]{2} }$

​

Answer 1

Answer:

option- B

Step-by-step explanation:

please mark as brainlist