Question

Simplifique os radicais e efetue as operações:
A) √98 - √32 - √8

Answer 1

98 / 2
49 / 7
07 / 7
01

32 / 2
16 / 2
08 / 2
04 / 2
02 / 2
01

8 / 2
4 / 2
2 / 2
1

$\sqrt{98} - \sqrt{32} - \sqrt{8} \\ \\ \sqrt{7^2*2} - \sqrt{2^2*2^2*2} - \sqrt{2^2*2} \\ \\ 7 \sqrt{2}-4 \sqrt{2}-2 \sqrt{2} \\ \\ 1 \sqrt{2}$