Questions and Worked Solutions for C1 Edexcel Core Mathematics January 2010.

Past Paper (pdf)

Core 1 Mathematics Edexcel January 2010 Question 1

1. Given that y = x^{4} + x^{1/3} + 3 , find dy/dx.

(a) Expand and simplify (7 + √5)(3 – √5).

(b) Express (7 + √5)/(3 – √5) in the form a + b√5, where a and b are integers.

3. The line 1

(a) Find the gradient of 1

The line l

(b) Find the equation of l

dy/dx = 5x

Given that y = 35 at x = 4, find y in terms of x, giving each term in its simplest form.

Core 1 Mathematics Edexcel January 2010 Question 5

Solve the simultaneous equations

y - 3x + 2 = 0

y

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