Application of differentiation
2011-02-26 9:39 pm
回答 (2)
2011-02-26 11:48 pm
2011-02-28 5:00 am
Thanks for the answer.
But I think the answer of (c)(i) is 3 months
and the (iv) should put t = 7... isn't it?
But I think the answer of (c)(i) is 3 months
and the (iv) should put t = 7... isn't it?
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