Question

3. Să se calculeze: [(√2 + √5)²]; [(√5 + √6)²].​

Answer 1

1. ( $\sqrt{2} + \sqrt{5}$ ) ^2 = $7 + 2\sqrt{10}$

2. ( $\sqrt{5} + \sqrt{6}$) ^2 = 11 + $2\sqrt{30}$