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1.9.16 Implicit differentiation (A-level only)

1.9.16 Implicit differentiation (A-level only)

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Question 12

A curve has the equation 2x2+5xy+2y2=92x^2 + 5xy + 2y^2 = 92x2+5xy+2y2=9:

a.

Find an expression for dydx\displaystyle \frac{dy}{dx}dxdy​

[5]
b.

Find an equation for the normal to the curve at the point (1,1)(1, 1)(1,1)

[3]
Markscheme

1.9.16 Implicit differentiation (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.9.16 Implicit differentiation (A-level only)

47 exam-style questions on OCR (MEI) A Level Maths 1.9.16 Implicit differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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