bonsoir
√7⁴ = √2401 = 49
Réponse:
(√7)⁴=(√7)²×(√7)² or (√a)²=|a|=a donc (√7)⁴=(√7)²×(√7)²=|7|×|7|=7×7=49.
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Verified answer
bonsoir
√7⁴ = √2401 = 49
Verified answer
Réponse:
(√7)⁴=(√7)²×(√7)² or (√a)²=|a|=a donc (√7)⁴=(√7)²×(√7)²=|7|×|7|=7×7=49.