September 2018 1 12 Report

dla jakich wartosci parametru m rownanie kwadratowe ma jeden pierwistek?

x² - 4(m+2)x + 4m² = 0

Rozwiąż rownanie

(5-x)(x-9) = (5-x)(7-x)

to sa rownania kwadratowe czyli z wzorem ax²+bx+c=0 i Δ=b²-4ac

Z góry dziekuje


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