edexcel gce january 2010 fp2 (old syllabus) question paper

28
Examiner’s use only Team Leader’s use only Surname Initial(s) Signature Centre No. Turn over Candidate No. Paper Reference(s) 6675/01 Edexcel GCE Further Pure Mathematics FP2 Advanced/Advanced Subsidiary Wednesday 3 February 2010 – Morning Time: 1 hour 30 minutes Materials required for examination Items included with question papers Mathematical Formulae (Green) Nil Candidates may use any calculator allowed by the regulations of the Joint Council for Qualifications. Calculators must not have the facility for symbolic algebra manipulation, differentiation and integration, or have retrievable mathematical formulae stored in them. Question Leave Number Blank 1 2 3 4 5 6 7 8 Total Paper Reference 6675 01 This publication may be reproduced only in accordance with Edexcel Limited copyright policy. ©2010 Edexcel Limited. Printer’s Log. No. N36246A W850/R6675/57570 4/5 *N36246A0128* Instructions to Candidates In the boxes above, write your centre number, candidate number, your surname, initials and signature. Check that you have the correct question paper. Answer ALL the questions. You must write your answer to each question in the space following the question. When a calculator is used, the answer should be given to an appropriate degree of accuracy. Information for Candidates A booklet ‘Mathematical Formulae and Statistical Tables’ is provided. Full marks may be obtained for answers to ALL questions. The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2). There are 8 questions in this question paper. The total mark for this paper is 75. There are 28 pages in this question paper. Any blank pages are indicated. Advice to Candidates You must ensure that your answers to parts of questions are clearly labelled. You should show sufficient working to make your methods clear to the Examiner. Answers without working may not gain full credit.

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Page 1: Edexcel GCE January 2010 FP2 (Old Syllabus) Question Paper

Examiner’s use only

Team Leader’s use only

Surname Initial(s)

Signature

Centre No.

Turn over

Candidate No.

Paper Reference(s)

6675/01Edexcel GCEFurther Pure Mathematics FP2Advanced/Advanced SubsidiaryWednesday 3 February 2010 – MorningTime: 1 hour 30 minutes

Materials required for examination Items included with question papersMathematical Formulae (Green) Nil

Candidates may use any calculator allowed by the regulations of the Joint Council for Qualifications. Calculators must not have the facility for symbolic algebra manipulation, differentiation and integration, or have retrievable mathematical formulae stored in them.

Question Leave Number Blank

1

2

3

4

5

6

7

8

Total

Paper Reference

6 6 7 5 0 1

This publication may be reproduced only in accordance with Edexcel Limited copyright policy. ©2010 Edexcel Limited.

Printer’s Log. No.

N36246AW850/R6675/57570 4/5

*N36246A0128*

Instructions to CandidatesIn the boxes above, write your centre number, candidate number, your surname, initials and signature. Check that you have the correct question paper.Answer ALL the questions.You must write your answer to each question in the space following the question.When a calculator is used, the answer should be given to an appropriate degree of accuracy.

Information for CandidatesA booklet ‘Mathematical Formulae and Statistical Tables’ is provided.Full marks may be obtained for answers to ALL questions.The marks for individual questions and the parts of questions are shown in round brackets: e.g. (2).There are 8 questions in this question paper. The total mark for this paper is 75.There are 28 pages in this question paper. Any blank pages are indicated.

Advice to CandidatesYou must ensure that your answers to parts of questions are clearly labelled.You should show sufficient working to make your methods clear to the Examiner. Answers without working may not gain full credit.

Page 2: Edexcel GCE January 2010 FP2 (Old Syllabus) Question Paper

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*N36246A0228*

1. The hyperbola H has equation2 2 24 4x y a− = , 0a >

(a) Find the eccentricity of H.(3)

Given that 10x = is an equation of a directrix of H,

(b) find the value of a.(2)

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(Total 5 marks)

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*N36246A0428*

2. A curve C has intrinsic equation s = f (ψ). The radius of curvature at any point P on C is tan ψ, where ψ is the angle between the tangent to C at P and the positive x-axis and

0 ψ < 2π

.

Taking s = 0 at ψ = 4π

, find f (ψ).(5)

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(Total 5 marks)

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*N36246A0628*

3. (a) Starting from definitions of cosh x and sinh x in terms of exponentials, prove that

sinh 2 2sinh coshx x x=(2)

(b) Hence find the exact values of x for which2sinh 2 6sinh 7sinhx x x= +

(7)

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Question 3 continued

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(Total 9 marks)

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4. In = ∫ (ln x)n dx, n 0

(a) Show that

In = x(ln x)n – nIn – 1, n 1(4)

(b) Hence find the exact value of ∫1

e(ln x)3 dx.

(6)

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Question 4 continued

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Question 4 continued

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Question 4 continued

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(Total 10 marks)

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*N36246A01228*

5. y

C

A

C

R

O x

Figure 1

The curve C, with equation y = cosh 3x – 4x, has a minimum point A, as shown in Figure 1.

(a) Use calculus to find the x-coordinate of A. Give your answer in terms of a natural logarithm.

(5)

The region R, shown shaded in Figure 1, is bounded by C, the x-axis, the y-axis and the line through A parallel to the y-axis.

(b) Show that the area of R is 29⎡⎣2 – (ln 3)2⎤

⎦ .(6)

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Question 5 continued

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Question 5 continued

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(Total 11 marks)

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*N36246A01628*

6. (a) Using the substitution axu

= , or otherwise, find

1 dxx √(a2 − x2)∫

(6)

(b) Hence find4

3

1 dxx √(25 − x2)∫

giving your answer in the form lna b , where a and b are rational numbers.(5)

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Question 6 continued

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Question 6 continued

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(Total 11 marks)

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*N36246A02028*

7. Given that y = sin (k arcsin 2x), where k is a constant, show that

(a) (1 – 4x 2) 2

dd

yx

⎛ ⎞⎜ ⎟⎝ ⎠

= 4k 2 (1 – y2)(5)

(b) (1 – 4x 2) 2

2

dd

yx

– 4x dd

yx

+ 4k 2 y = 0(5)

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Question 7 continued

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*N36246A02228*

Question 7 continued

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Question 7 continued

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(Total 10 marks)

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*N36246A02428*

8. The parabola C has equation 2 4y ax= , where 0a > , and the line l has equation

y mx c= + . Given that l is a tangent to C,

(a) show that acm

= .(4)

The point P has coordinates (4a, 5a).

(b) Find equations of the two tangents from P to C.(5)

The tangents from P to C meet C at the points R and Q.

(c) Find the distance RQ.(5)

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Question 8 continued

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Question 8 continued

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Question 8 continued

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TOTAL FOR PAPER: 75 MARKS

END

Q8

(Total 14 marks)