Question

2
Efectuați calculele​

Answer 1

$a) \sqrt{2} + \sqrt{2} = 2 \sqrt{2}$

$b)2 \sqrt{5} + 3 \sqrt{5} = 5 \sqrt{5}$

$c) \sqrt{3} + ( - \sqrt{3} ) = - 2 \sqrt{3}$

$d) \sqrt{5} - \sqrt{5} = 0$

$d)7 \sqrt{7} - 2\sqrt{7} = 5 \sqrt{7}$

$e) \sqrt{6} - 3 \sqrt{6} = - 2 \sqrt{6}$