Eric Nicholas K's answer to Germaine's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Q25 (c) and (d). It's very long and complicated.
Eric Nicholas K
Eric Nicholas K
5 years ago
Do not bother proving that this value of P'(t) is the greatest. Because you will need to either test values for P''(t) or obtain P'''(t). Yes, prime prime prime.

(To find max value of curve, we obtain prime prime so to find max value of prime, we obtain prime prime prime).