( osiem razy pierwiastek czwartego stopnia z 5) do kwadratu. Błagam pomcyy ! ; **
(8 * ⁴√5)² = 8 * ⁴√5 * 8 * ⁴√5 = 64 * ⁴√(5 * 5) = 64 * ⁴√(25) = 64 ⁴√(25) = 64 ⁴√(5²)
64 * 5^(2/4) = 64 * 5^(1/2) = 64√5
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(8 * ⁴√5)² = 8 * ⁴√5 * 8 * ⁴√5 = 64 * ⁴√(5 * 5) = 64 * ⁴√(25) = 64 ⁴√(25) = 64 ⁴√(5²)
64 * 5^(2/4) = 64 * 5^(1/2) = 64√5