Mathematics, 29.01.2021 21:50 dondre54

HELP ASAP>>> decide whether given number k is a zero of f(x). f(x) =x^4-2x^3+4x^2+2x+5 k=1+2i

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HELP ASAP>>> decide whether given number k is a zero of f(x). f(x) =x^4-2x^3+4x^2+2x+5 k=1...