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What is the exact answer to (1^3 + 2^3 + 3^3)^(0.5) ?

+6 or -6

Answered by Jessica N. • Maths tutor

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The cubic polynomial f(x) is defined by f(x) = 2x^3 -7x^2 + 2x + 3. Given that (x-3) is a factor of f(x), express f(x) in factorised form.

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