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9.8 Implicit Differentiation

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Question 39

The magnetic flux density in a laboratory experiment follows a level curve CCC defined by the equation

3x2y−2y3+5x2=10 3x^2y - 2y^3 + 5x^2 = 10 3x2y−2y3+5x2=10

Find an equation of the normal to the curve CCC at the point (2,−1)(2, -1)(2,−1), giving your answer in the form ax+by+c=0ax + by + c = 0ax+by+c=0, where aaa, bbb and ccc are integers.

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9.8 Implicit Differentiation Questions

  1. A Level
  2. /Maths
  3. /9.8 Implicit Differentiation

Practise Edexcel A Level Maths 9.8 Implicit Differentiation with exam-style questions for A Level Maths. 48 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank