Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 21 · Question 5
9709
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The polynomial px is defined by px = 6x3 + ax2 + bx −20, where a and b are constants. It is given that x + 2 is a factor of px and that the remainder is −11 when px is divided by x + 1 .
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5(a)[5]
5(b)[4]
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