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ULTIMA!Introduceti factorii sub radical.

1. 3/4√5=

2. 3√7/18=

3.-2/5√7=

4. -4/3√6=

5. 2/3√42=

6.-3/8√2/3=

7. -3√0,(3)=

8. 0,4√2=

9. -0,8(3)√1,44=

10.-0,(6)√6=

11.0,08(3)√4/15=

Multumesc enorm celor care m-au ajutat!


Răspuns :

1. 3/4√5=√(3/4)*5=√45/16
2. 3√7/18=√9*7/18=√7/2
3. -2/5√7=√(-2/5)²*7=√28/25
4.  -4/3√6=√(-4/3)²*6=√32/3
5.  2/3√42=√(2/3)²*42=√56/3
6.  -3/8√2/3=√(-3/8)²*2/3=√3/32
7.  -3√0,(3)=√(-3)²*1/3=√3
8.  0,4√2=√(2/5)²*2=√8/25
9.  -0,8(3)√1,44=√(-5/6)²*36/25=√1
-0,8(3)=-(83-8)/90=-75/90=-5/6
1,44=144/100=36/25

10. -0,(6)√6=√(2/3)²*6=√8/3
-0,(6)=6/9=2/3

11. 0,08(3)√4/15=√(1/12)²*4/15=√1/540
0,08(3)=(83-8)/900=1/12