AS Further Maths Core Pure 2018 q2
Автор: Chris' Maths Videos
Загружено: 2019-05-05
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2. The cubic equation $z^3 – 3z^2 + z + 5 = 0$ has roots α, β and γ.
Without solving the equation, find the cubic equation whose roots are (2α + 1), (2β + 1) and (2γ + 1), giving your answer in the form w3 + pw2 + qw + r = 0, where p, q and r are integers to be found.
(5)
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