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Mathematics, 08.10.2021 01:20 Jennybelandres1
Salut tout le monde ! s'il vous plait aidez moi j'ai un devoir et je ne sais pas quoi faire :(
soit f une fonction définie sur R , tel que f(-x)+3f(x)=4x³+2x
Montrer que pour tout réel x f est impaire .
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Salut tout le monde ! s'il vous plait aidez moi j'ai un devoir et je ne sais pas quoi faire :(
soi...
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