Question

Explain the above questions please...

Answer 1

1.

$\sqrt{ \frac{2 - \sqrt{3} }{2 + \sqrt{3} } } = \sqrt{ \frac{ {(2 - \sqrt{3}) }^{2} }{4 - 3} } = 2 - \sqrt{3}$

$\sqrt{ \frac{2 - \sqrt{3} }{2 + \sqrt{3} } } \approx2 - 1.73205= 0.26795$

2. ∜∛4 = ¹²√4 ≈ 1.122