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secondary 4 | A Maths
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secondary 4 chevron_right A Maths chevron_right Singapore

How to do (iv) and (v)?

Date Posted: 2 years ago
Views: 458

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John Wee
John Wee's answer
3 answers (Tutor Details)
to be more accurate its 0<=t<1.5 since time cant be negative
John Wee
John Wee
2 years ago
One more thing, I didn't test whether that t corresponded to max or min, but its obvious from the expression that if I differentiated further, the 2nd derivative being 12 (positive) implies a min value.