The curve C has equation
y = 12 ext{(}
oot{2}{x} ext{)} - x^{ rac{3}{2}} - 10, ext{ where } x > 0
(a) Use calculus to find the coordinates of the turning point on C - Edexcel - A-Level Maths Pure - Question 2 - 2009 - Paper 2
Question 2
The curve C has equation
y = 12 ext{(}
oot{2}{x} ext{)} - x^{ rac{3}{2}} - 10, ext{ where } x > 0
(a) Use calculus to find the coordinates of the turning point o... show full transcript
Worked Solution & Example Answer:The curve C has equation
y = 12 ext{(}
oot{2}{x} ext{)} - x^{ rac{3}{2}} - 10, ext{ where } x > 0
(a) Use calculus to find the coordinates of the turning point on C - Edexcel - A-Level Maths Pure - Question 2 - 2009 - Paper 2
Step 1
State the nature of the turning point.
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Answer
Since y′′<0 at the turning point, this indicates that there is a local maximum at (4, 6). Therefore, the nature of the turning point is that it is a maximum.
Step 2
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Step 3
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Step 4
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Step 5
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Step 6
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Step 7
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Step 8
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