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Sagot :

LEAFE

Bonjour,

a) exp(3) x exp(5) = exp(3+5) = exp(8)

b) exp(9) x exp(-19) = exp(9-19) = exp(-10)

c) exp(11) x exp(-11) = exp(11-11) = exp(0) = 1

d) exp(-7) ≠ exp(7)

e) exp(6) = (exp(3))² = exp(3x2) = exp(6)

Donc

a) Vrai

b) Faux

c) Faux

d) Faux

e) Vrai

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