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23-05-2023
Mathematics

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p(x) = 30x3 - 7x2 - 7x + 2 (a) Prove that (2x + 1) is a factor of p(x) (b) Factorise p(x) completely. (c) Prove that there are no real solutions to the equation: 30 sec2x + 2 cos x = sec x + 1 7

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