P5: nts) Assume that f is a function such that fæy and fy exist and are continuous. Assume additionally that f(tx, ty) = t™ f(x, y). for all numbers x, y, and t. Show that x202f ?x2 8² f əxəy 20² f дуг Hint: Differentiate twice with respect to t. Then take t = 1. + 2xy- +y²5 - m(m − 1)f(x, y)
P5: nts) Assume that f is a function such that fæy and fy exist and are continuous. Assume additionally that f(tx, ty) = t™ f(x, y). for all numbers x, y, and t. Show that x202f ?x2 8² f əxəy 20² f дуг Hint: Differentiate twice with respect to t. Then take t = 1. + 2xy- +y²5 - m(m − 1)f(x, y)
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.2: Partial Derivatives
Problem 48E
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