oblicz
a.½∛-1+1/3 ⁵√-32
b.3∛-0,125-2∛-125
c.3∛-0,008*⁵√-0,00032
d.∛-2*∛-500
e.∛-56:∛7
f.∛-15:∛-120
g.∛-4*∛-2+∛16*∛4
a.½∛-1+1/3 ⁵√-32=
= -½*√1 + ⅓*⁵√-2⁵=
= -½*1 - ⅓*(⁵√2)⁵ =
= -½ - ⅓*2 =
= - ½ - ⅔ =
= - 3/6 - 4/6 =
= -7/6 =
= -1i 1/6
b.3∛-0,125-2∛-125=
= 3∛(-0,5)³ - 2∛ (-5)³ =
= 3*(-0,5) - 2*(-5) =
= - 1,5 + 10 =
= 8,5
c.3∛-0,008*⁵√-0,00032 =
= 3*∛(-0,2)³ * ⁵√(-0,2)⁵ =
= 3*(-0,2) *(-0,2) =
= 0,12
d.∛-2*∛-500 =
= ∛[(-2)*(-500) =
= ∛1000 =
= 10
e.∛-56:∛7 =
= ∛(-8*7) : ∛7 =
= ∛-8*∛7 : ∛7 =
=∛-8 =
= ∛(-2)³ =
= -2
f.∛-15:∛-120 =
= ∛[(-15) :(-120)]=
= ∛(⅛) =
= ∛(½)³ =
= ½
g.∛-4*∛-2+∛16*∛4 =
= ∛[(-2*2)*(-2)] + ∛(16*4) =
= ∛ 8 + ∛ 64 =
= ∛2³ + ∛4³ =
= (∛2)³ + (∛4)³ =
= 2 + 4 =
= 6
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oblicz
a.½∛-1+1/3 ⁵√-32=
= -½*√1 + ⅓*⁵√-2⁵=
= -½*1 - ⅓*(⁵√2)⁵ =
= -½ - ⅓*2 =
= - ½ - ⅔ =
= - 3/6 - 4/6 =
= -7/6 =
= -1i 1/6
b.3∛-0,125-2∛-125=
= 3∛(-0,5)³ - 2∛ (-5)³ =
= 3*(-0,5) - 2*(-5) =
= - 1,5 + 10 =
= 8,5
c.3∛-0,008*⁵√-0,00032 =
= 3*∛(-0,2)³ * ⁵√(-0,2)⁵ =
= 3*(-0,2) *(-0,2) =
= 0,12
d.∛-2*∛-500 =
= ∛[(-2)*(-500) =
= ∛1000 =
= 10
e.∛-56:∛7 =
= ∛(-8*7) : ∛7 =
= ∛-8*∛7 : ∛7 =
=∛-8 =
= ∛(-2)³ =
= -2
f.∛-15:∛-120 =
= ∛[(-15) :(-120)]=
= ∛(⅛) =
= ∛(½)³ =
= ½
g.∛-4*∛-2+∛16*∛4 =
= ∛[(-2*2)*(-2)] + ∛(16*4) =
= ∛ 8 + ∛ 64 =
= ∛2³ + ∛4³ =
= (∛2)³ + (∛4)³ =
= 2 + 4 =
= 6