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Mr M's OCR (not OCR MEI) Further Pure 1 Answers May 2016

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With 9 ii.), how many marks would I drop if I stated that the solution was not unique and showed that it was due to the determinant was equal to 3, however stated that the set of equations were inconsistent?
Do you mean a = 3 so the determinant = 0? Get 1 mark if you said that.
2. (Original post by Mr M)
Do you mean a = 3 so the determinant = 0? Get 1 mark if you said that.
Thanks, also another question: For Question 8 iii.) if I stated the wrong evaluation of sum to infinity, and thus did not add a sixth to the answer, however stated the correct summation at the start (Sum of n to infinity = Sum of 1 to infinity - Sum of 1 to n-1). The only thing I missed was the sixth, so how many marks would I lose for this?
3. (Original post by Mr M)
Mr M's OCR (not OCR MEI) Further Pure 1 Answers May 2016

1. (5 marks)

2. (i) (2 marks)

(ii) (5 marks)

3. (i) and (1 mark)

(ii) (5 marks)

4. (i) (2 marks)

(ii) (2 marks)

(iii) (2 marks)

5. Proof (4 marks)

6. (i) (4 marks)

(ii) Sketch (2 marks)

(iii) and (3 marks)

7. (i) Shear with x axis invariant taking the point (0, 1) to (3, 1) (2 marks)

(ii)

Reflection in the line (6 marks)

8. (i) Show (1 mark)

(ii) (6 marks)

(iii) (3 marks)

9. (i) Show (3 marks)

(ii) Determinant = 0 when a = 3 so no unique solution. The equations are consistent because 3 x equation 3 - equation 1 = equation 2. (3 marks)

10. (i) and (6 marks)

(ii) Show (1 mark)

(iii) (4 marks)
Just wondering how many marks I would lose in 2 ii) as I didn't see the conjugate parts so I used the part I got in part i) but I did everything else on that question right only used the non conjugate z how many marks would I lose?
Thanks, also another question: For Question 8 iii.) if I stated the wrong evaluation of sum to infinity, and thus did not add a sixth to the answer, however stated the correct summation at the start (Sum of n to infinity = Sum of 1 to infinity - Sum of 1 to n-1). The only thing I missed was the sixth, so how many marks would I lose for this?
Probably just 1.
5. (Original post by getjdhwgebrixow)
Just wondering how many marks I would lose in 2 ii) as I didn't see the conjugate parts so I used the part I got in part i) but I did everything else on that question right only used the non conjugate z how many marks would I lose?
Either 1 or 2.
6. (Original post by Mr M)
Either 1 or 2.
Thank you
7. What was the last question?

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