Zebra chased by Crocodile problem for 16y exam

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eldrick said:
Solve

8 (b)

without Calculus...
Why without calculus? 17 and 18 year olds studying maths would generally be expected to at least know how to differentiate, and that the derivative will be zero at a maximum or minimum, which is all that's required here. Further, the comments below the article seem to agree that differentiation was part of the curriculum.
 
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andrewkirk said:
Why without calculus? 17 and 18 year olds studying maths would generally be expected to at least know how to differentiate, and that the derivative will be zero at a maximum or minimum, which is all that's required here. Further, the comments below the article seem to agree that differentiation was part of the curriculum.

eh ?

so you can't solve it without Calc

don't waste my time...
 
eldrick said:
don't waste my time.
OK, in order to avoid the risk of accidentally wasting your time with any future responses, I have closed the thread.
 
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