Question

radical din 12 plus radical din75 egal cu a radical din 3

Answer 1

Răspuns:

$\sqrt{12} + \sqrt{75} = a\sqrt{3} \\\\2\sqrt{3} + 5\sqrt{3} = a\sqrt{3} \\\\7\sqrt{3} = a\sqrt{3} \\\\\boxed{a = 7}$