Question

Varog urgent dau corona

Answer 1

Răspuns:

Explicație pas cu pas:

Answer 2

2.B={1/2;-2;0,7}

3.c.l 3+√2 l =3+√2

d.l √5-√7 l=√7-√5 deoarece (√5-√7)<0

4.c.√16×5 √25×4

√80. √100

= > 4√5<5√4

d.√7/7. √5/5

√7/√49. √5/√25

1/√7 <1/√5

=>√7/7< √5/5

5.a.√48=√4×4×3=4√3

b.√175=√25×7=5√7

6.a.4√5=√16×5=√80

b.-3√6=-√9×6=-√54

7.a.(√3)¹²:(√3)²=(√3)¹⁰=3⁵

b.(√30)³:(√6)³=(√6×5)³:(√6)³=(√5)³=5√5

c.(√0,3)⁸=(0,3)⁴