Odpowiedź:
zad 5
2∛5 = ∛(2³ * 5) = ∛(8 * 5) = ∛40
zad 6
2√3 = √(2² * 3) = √(4 * 3) = √12
zad 7
√5 * √20 = √(5 * 20) = √100 = √10² = 10
zad 8
√(100 * 625) = √100 * √625 = √10² * √25² = 10 * 25 = 250
zad 9
√(√25- √16) = √(5 - 4) = √1 = 1
zad 10
1/√2 = 1/√2 * √2/√2 = √2/(√2)² = √2/2
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Odpowiedź:
zad 5
2∛5 = ∛(2³ * 5) = ∛(8 * 5) = ∛40
zad 6
2√3 = √(2² * 3) = √(4 * 3) = √12
zad 7
√5 * √20 = √(5 * 20) = √100 = √10² = 10
zad 8
√(100 * 625) = √100 * √625 = √10² * √25² = 10 * 25 = 250
zad 9
√(√25- √16) = √(5 - 4) = √1 = 1
zad 10
1/√2 = 1/√2 * √2/√2 = √2/(√2)² = √2/2