OCR C1 2009 June — Question 5

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
Year2009
SessionJune
TopicPolynomial Division & Manipulation

5
  1. Expand and simplify \(( 2 x + 1 ) ( x - 3 ) ( x + 4 )\).
  2. Find the coefficient of \(x ^ { 4 }\) in the expansion of $$x \left( x ^ { 2 } + 2 x + 3 \right) \left( x ^ { 2 } + 7 x - 2 \right) .$$