Question

Efetue.
a)7√2+√50=
b)√12-√75+√3=
c)3√20+√32-2√45+√50=

Answer 1

a) 7√2+√50=
7√2+5√2=
12√2 =
= 16,97

b) √12-√75+√3 =
2√3 - 5√3 + √3 =
-2√3 =
= -3,46

c) 3√20+√32-2√45+√50=
6√5 + √32 - 6√5 + 5√2 =
4√2 + 5√2 =
9√2 =
= 12,72

Answer 2

a)
$7\sqrt{2} + \sqrt{50}$
$= 12 \sqrt{2}$
b)
$\sqrt{12 - \sqrt{75 + 3} }$
$\sqrt{12 - 5 \sqrt{3 + 3} } forma \: mais \: fa \\ cil \ \: 3.55955$
c)
$3 \sqrt{20 + \sqrt{32 - 2 \sqrt{45 + \sqrt{50} } } }$
$9 \sqrt{2} forma \: mais \: facil \: 12.72792$