Explicație pas cu pas:
a) 3√2=√3²×2=√9×2=√18
4=√4²=√16
3√2>4
e) 6√5=√36×5=√180
5√7=√25×7=175
6√5>5√7
i) -3√7=√(-3)²×7=√9×7=√63
-4√5=√(-4)²×5=√16×5=√80
-3√7<-4√5
l) -5√2=√(-5)²×2=√25×2=√50
-7=√(-7)²=√49
-5√2>-7
