Question

Daca a=radical 12si b=radical 27 atunci a•b

Answer 1

$\sqrt{12}* \sqrt{27}= \sqrt{12*27}= \sqrt{324}= \sqrt{18 ^{2} }=18$

Answer 2

a = √12 = 2√3
b = √27 = 3√3
a * b = 2√3 * 3√3 = 6√9 = 6 * 3 = 18