Question

va rog dau coroana!Poza​

Answer 1

√27-√12+√75=3√3-√12+√75=3√3-2√3+√75=√3-2√3+5√3=6√3

14/√7+10√5/√5=2√7+10√2/√5=2√7+2√10

(√3)-²+(√2)-²-(√3·√2)-²=3-¹ + √2-² - (√3√2)-²=3-¹ + 2-¹ - (√3√2)-² = 3-¹ + 2-¹ - √6-² =1/3 + 2-¹ - √6-²=

1/3 + 1/2 -√6-²= 1/3+1/2 - 6-¹ = 1/3+1/2-1/6=2/3