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4.2 Expanding (a + bx)^n

4.2 Expanding (a + bx)^n

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Question 5

An industrial coolant system models the rate of heat dissipation, RRR (in kW), using the function R(w)=(12w−3)6\displaystyle R(w) = \left( \frac{1}{2}w - 3 \right)^6R(w)=(21​w−3)6, where w w\,w is the flow rate of the liquid.

Determine the constant term in the binomial expansion of R(w)R(w)R(w).

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4.2 Expanding (a + bx)^n Questions

  1. A Level
  2. /Maths
  3. /4.2 Expanding (a + bx)^n

99 exam-style questions on Edexcel A Level Maths 4.2 Expanding (a + bx)^n. Each one has a worked solution and a mark scheme showing where the marks go.

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