Find
Calculus, EXT1 C2 2019 HSC 14c
The diagram shows the two curves
- Explain why
. (1 mark)
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- Show that
. (2 marks)
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- Hence, or otherwise, find
in terms of . (2 marks)
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Show Worked Solution
| i. | ||
♦ Mean mark part (i) 47%.
ii.
♦♦♦ Mean mark part (ii) 19%.
| iii. |  |
♦♦ Mean mark part (iii) 21%.
Calculus, EXT1 C2 2005 HSC 3b
- By expanding the left-hand side, show that
(1 mark)
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- Hence find
(2 marks)
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