Question

√3 +√12 + √27+ √48 +...+ √300 efectuati

Answer 1

$\sqrt{3} +2 \sqrt{3} +3 \sqrt{3} +....+10 \sqrt{3} = \\ \sqrt{3}(1+2+3+...+10)= \\ \sqrt{3} * \frac{10*11}{2} = \\ 55 \sqrt{3}$