Question

1) Efectuati:
a) (-3√2)³=
b) (-√5)⁴=
c) (2√11)²=
d) (-6√3)²=
e) (-3√3)³=


2) Scrieti sub forma unei singure puteri:
a) √10 . √10³ =
b) (√2)⁵ . (√2)³ =
c) √3 . √3³ =
d) (-√5)⁴ ÷ (√5)² =
e) (√6)⁹ ÷ (√6)⁸ =
f) √7⁵ ÷ √7³ =
g) [ (√3)³ ]² =
h) [ (-2)⁴ ]² =
i) [ (-2)⁴]² =
j) (√5²)³ =

Answer 1

1) a) (-3√2)³=-27x2√2=-54√2
b) (-√5)⁴=√5⁴=√625=25
c) (2√11)²=4x11=44
d) (-6√3)²=36x3=108
e) (-3√3)³=-27x3x√3=-81√3

2)a) √10 . √10³ =√10⁴
b) (√2)⁵ . (√2)³ =√2⁸
c) √3 . √3³ =√3⁴
d) (-√5)⁴ ÷ (√5)² =₋√5²
e) (√6)⁹ ÷ (√6)⁸ =√6
f) √7⁵ ÷ √7³ =√7²
g) [ (√3)³ ]² =√3⁶
h) [ (-2)⁴ ]² =2⁸
i) [ (-2)⁴]² =2⁸
j) (√5²)³ =√5⁶