Polinomial
f(x) = x^4 - 2x^3 - (a + 1)x^2 + (2a + 1)x - 6
x - 2 = 0 → x = 2
f(2) = 0
2^4 - 2.2^3 - (a + 1)2^2 + (2a + 1)(2) - 6 = 0
16 - 16 - 4a - 4 + 4a + 2 - 6 = 0
-8 = 0 ✘
tidak ada nilai a yg memenuhi
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Polinomial
f(x) = x^4 - 2x^3 - (a + 1)x^2 + (2a + 1)x - 6
x - 2 = 0 → x = 2
f(2) = 0
2^4 - 2.2^3 - (a + 1)2^2 + (2a + 1)(2) - 6 = 0
16 - 16 - 4a - 4 + 4a + 2 - 6 = 0
-8 = 0 ✘
tidak ada nilai a yg memenuhi