Question

1. Stabiliti valoarea de adevăr a propoziţiilor:
a) √2².3=2√3 0 6 7 6=7560 c) √3².5=5/
3 0
2. Scoateţi factorii de sub radical:
a) V12 =
............; b) V18 =
......, c) 24 = .
d) 28 =
............., e) /48 = ..
....., 1) V50 -
3. Scoateţi factorii de sub radical:
a) √54;
b) V60;
d) V72;​

Answer 1

1a) V2^2×3

2×3=6

=====>>(F)

b) nu inteleg...

c)V3^2×5=5/30

=3×5=1/6

=15=1/6

======>>(F)

2)a)V12=V(4×3)=V(2^2×3)=2V3

b)V18=V(2×9)=V(2×3^2)=3V2

c)V24=V(4×6)=V(2^2×6)=2V6

d)V28=V(7×4)=V(7×2^2)=2V7

e)V48=V(16×3)=4V3

f)V50=V(25×2)=5V2

3)

a)V54=3V6

b)V60=2V15

c)V72=6V2