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Sagot :

Bonjour,

f(x) = x²

f(√5) = (√5)² = 5

f(7√5) = (7√5)² = 49 × 5 = 245

f(-3√2) = (-3√2)² = 9 × 2 = 18

f(3√3) = (3√3)² = 9 × 3 = 27

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