1
одз x >=4
значит x - 3 > 0
(x - 3)⁸√(x - 4) = ⁸√((x - 3)⁸(x - 4))
2)
(5 - y)⁴√y
одз y ≥ 0
0 ≤ y ≤ 5 (5 - y) >= 0 (5 - y)⁴√y = ⁴√((5 - y)⁴y)
y > 5 (5 - y) < 0 (5 - y)⁴√y = -⁴√((5 - y)⁴y)
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1
одз x >=4
значит x - 3 > 0
(x - 3)⁸√(x - 4) = ⁸√((x - 3)⁸(x - 4))
2)
(5 - y)⁴√y
одз y ≥ 0
0 ≤ y ≤ 5 (5 - y) >= 0 (5 - y)⁴√y = ⁴√((5 - y)⁴y)
y > 5 (5 - y) < 0 (5 - y)⁴√y = -⁴√((5 - y)⁴y)