Edexcel Core Mathematics C1 June 2011
Questions and Worked Solutions for C1 Edexcel Core Mathematics June 2011.
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Core 1 Mathematics Edexcel June 2011 Question 1
1. Find the value of
Core 1 Mathematics Edexcel June 2011 Question 2
2. Given that
y = 2x5
+ 7 + 1/x3
, x ≠ 0, find, in their simplest form,
(b) ∫ y dx.
Core 1 Mathematics Edexcel June 2011 Question 3
3. The points P and Q have coordinates (–1, 6) and (9, 0) respectively.
The line l is perpendicular to PQ and passes through the mid-point of PQ.
Find an equation for l, giving your answer in the form ax + by + c = 0, where a, b and c
Core 1 Mathematics Edexcel June 2011 Question 4
4. Solve the simultaneous equations
x + y = 2
Core 1 Mathematics Edexcel June 2011 Question 5
5. A sequence a1
, ... is defined by
+ 3, n ≥ 1
where k is a positive integer.
(a) Write down an expression for a2
in terms of k.
(b) Show that a3
= 25k + 18
(c) (i) Find in terms of k, in its simplest form.
(ii) Show that is divisible by 6.
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