Chapter5: Polynomial And Rational Functions
Section: Chapter Questions
Problem 27PT: Find the unknown value. 27. y varies jointly with x and the cube root of 2. If when x=2 and...
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Transcribed Image Text:9. Find the value of n for which each of the following equations is exact, and solve the
equation for that value of n:
(a) (xy² +nx²y)dx + (x³ + x²y)dy = 0,
(b) (x + yery)dx + nxe²ydy = 0
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