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1 Unit AS 1: Pure Mathematics

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Question 109

Let f(x)=6x3+kx2+25x−12f(x)=6x^3+kx^2+25x-12f(x)=6x3+kx2+25x−12, and suppose 2x+32x+32x+3 is a factor.

a.

Find kkk.

[3]
b.

Factorise f(x)f(x)f(x) completely.

[3]
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1 Unit AS 1: Pure Mathematics Questions

  1. A Level
  2. /Maths
  3. /1 Unit AS 1: Pure Mathematics

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