Low Yi Yin's answer to Ok's Junior College 2 H2 Maths Singapore question.
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Hope this helps! ;))
Date Posted:
1 year ago
Tysm!
Just curious why for part(i), not find the range of P when dp/dt > 0, but use the second derivative> 0 instead
My bad, my interpretation of the question was wrong. It should've been the first derivative.
I) dP/dt = 0.02P (100-P)
0.02P (100-P) > 0
P (100-P) > 0
[Draw Number line]
ANS: 0< P < 100
Please take note of the change.Thanks! ;))
I) dP/dt = 0.02P (100-P)
0.02P (100-P) > 0
P (100-P) > 0
[Draw Number line]
ANS: 0< P < 100
Please take note of the change.Thanks! ;))
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