Odpowiedź:
1.
3√2/(2√8) = 3/2 * √4 = 3/2 * 2 = 3
2.
a)
[(√-5)²]³ = 5³ = 125
b)
(2√2)² + ∛729 = 4 * 2 + 9 = 8 + 9 = 17
c)
(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 + 10√2 = 22√2
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Odpowiedź:
1.
3√2/(2√8) = 3/2 * √4 = 3/2 * 2 = 3
2.
a)
[(√-5)²]³ = 5³ = 125
b)
(2√2)² + ∛729 = 4 * 2 + 9 = 8 + 9 = 17
c)
(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 + 10√2 = 22√2
Szczegółowe wyjaśnienie: