1.

If α, β are the roots of 3x2 – 5x + 7 = 0, then α3 + β3 = _____.

A. \(\frac{{ - 90}}{{27}}\)
B. \(\frac{{90}}{{27}}\)
C. \(\frac{{ - 190}}{{27}}\)
D. \(\frac{{190}}{{27}}\)
Answer» D. \(\frac{{190}}{{27}}\)


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