Question

Oblicz:

a) (-2√3)⁻³

b) (3/√2)⁻⁴

c) (√5/10)⁻³

d) ((-3√2)⁻¹)⁻²

Answer 1

a) (-2√3)-³= 1/(-2√3)³= 1/(-8√27)=- 1/(24√3)= - √3/72

 

b)(3/√2)-⁴ = (√2/3)⁴ = √16/81=4/81

 

c)(√5/10)-³=(10/√5)³=1000/√125=1000/(5√5)=1000√5/(5√5·√5)= 1000√5/25=

40√5

 

d)((-3√2)-¹)-²=(-3√2)²=9·2=18