QCEVault

Differential equations and related rates — Question 220

Original QCE Vault practice · 5 marks

Q220 · Practice questionTechnology-freeComplex familiar5 marks

QUESTION 220 (5 marks)

A positive solution satisfies dy/dx=2xydy/dx=2x\sqrt y and y(0)=1.
a)
Determine y explicitly.
[3 marks]
b)
Show that this solution has a unique global minimum, and state it.
[2 marks]
Question linkSyllabus coverage

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