Question

Ma puteti ajuta, va rog?
Imi trebuie toate exercitiile.
Dau coroana!!!

Answer 1

2) a)=l-9√10l la -1 =1/9√10=√10/90
b)-9√10·3√2=-27√20=-54√5
c)-9√10:3√2=-3√5

3)mg=√5,4·3,(3)=√54/10·30/9=√18=3√2

4)ma=(x+y)/2
3√5-1=(9+2√5+y)/2
6√5-2=9+2√5+y
y=4√5-11

5)=(√3-√5+2√3-√5-3√3)³=(-2√5)³=-40√5