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

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Eric Nicholas K
Eric Nicholas K's answer
1981 answers (Tutor Details)
1st
1. Define V in terms of P. Here, V = 3600/P.

2. Differentiate V with respect to P and sub in the value of P (here, P = 40).

3. You are given that dP/dT = 20 units per second.

4. Evaluate dV/dt = dV/dP times dP/dt.