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Hello, I am French and I wanted to know if anyone has an good example regarding this course on linear algebra. A linear map(application) f

Hello, I am French and I wanted to know if anyone has an good example regarding this course on linear algebra. A linear map(application) f : E ? F is: ? injective if and only if Ker(f) = {0E}; ? surjective if and only if Im(f) = F.

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