(3) Consider the derivative dz = 2xydx + (x² + 2y)dy Evaluate whether this is a total derivative, by integrating along straight lines (i) (x1, y1) → (x2, Y1) then (x2, y1) → (xX2, Y2); and (ii) (x1,Y1) → (X1, Y2) then (x1, y2) → (x2, Y2).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(3) Consider the derivative
dz
2xydx + (x2 + 2y)dy
Evaluate whether this is a total derivative, by integrating along straight lines (i) (x1, y1) → (x2, Y1)
then (x2, y1) → (X2, Y2); and (ii) (x1, Y1) → (X1, Y2) then (x1, y2) → (x2, y2).
Transcribed Image Text:(3) Consider the derivative dz 2xydx + (x2 + 2y)dy Evaluate whether this is a total derivative, by integrating along straight lines (i) (x1, y1) → (x2, Y1) then (x2, y1) → (X2, Y2); and (ii) (x1, Y1) → (X1, Y2) then (x1, y2) → (x2, y2).
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