Question

3. Calcule:
a) V100
b) -V100 c) V-100 d)V³27​

Answer 1

Oie, Td Bom?!

a)

$\sqrt{100} = \sqrt{10 {}^{2} } = 10$

b)

$- \sqrt{100} = - \sqrt{10 {}^{2} } = - 10$

c)

$\sqrt{ - 100} = ∉\mathbb{R}$

d)

$\sqrt[3]{27} = \sqrt[3]{3 {}^{3} } = 3$

Att. Makaveli1996