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Given that 4x4-12x³-b²x²-7bx-2 is exactly divisible by 2x + b, (i) show that 3b³ +7b²-4 = 0, (ii) find the possible values of b.

Given that 4x4-12x³-b²x²-7bx-2 is exactly divisible by 2x + b, (i) show that 3b³ +7b²-4 = 0, (ii) find the possible values of b.
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Given that 4x4-12x³-b²x²-7bx-2 is exactly divisible by 2x + b,

(i) show that 3b³ +7b²-4 = 0,
(ii) find the possible values of b.

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User Paul Whelan
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User Cecile
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