III.
a)
b)
c)
d)
Odpowiedź:
[√(-5)²]³ = (√25)³ = 5³ = 125
(2√7)² + ∛729 = 4 * 7 + 9 = 28 + 9 = 37
(2/3√3)³ = 8/27 * 3√3 = 8/9√3
3√32 + 5√18 = 3√(2*16) + 5√(2*9) = 3 * 4√2 + 5 * 3√2 = 12√2 + 15√2= =27√2
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III.
a)
b)
c)
d)
Odpowiedź:
III.
a)
[√(-5)²]³ = (√25)³ = 5³ = 125
b)
(2√7)² + ∛729 = 4 * 7 + 9 = 28 + 9 = 37
c)
(2/3√3)³ = 8/27 * 3√3 = 8/9√3
d)
3√32 + 5√18 = 3√(2*16) + 5√(2*9) = 3 * 4√2 + 5 * 3√2 = 12√2 + 15√2= =27√2
Szczegółowe wyjaśnienie: