Question

\( Q_{11} \). (a) Use the retation \( (x-h) \frac{\partial \varphi}{\partial x}=h \frac{\partial \phi}{\partial h} \) and \( \phi=\sum_{e} P_{e}(x) h^{\rho} \) Prove that \[ x P_{e}^{\prime}(x)-P_{l-1}^{\prime}(x)=P p_{e}(x) \]

          \( Q_{11} \).
(a) Use the retation \( (x-h) \frac{\partial \varphi}{\partial x}=h \frac{\partial \phi}{\partial h} \) and \( \phi=\sum_{e} P_{e}(x) h^{\rho} \) Prove that
\[
x P_{e}^{\prime}(x)-P_{l-1}^{\prime}(x)=P p_{e}(x)
\]

Q11.
(a) Use the retation (x-h) (∂φ)/(∂ x)=h (∂ϕ)/(∂ h) and ϕ=∑e Pe(x) h^ρ Prove that

x Pe^'(x)-Pl-1^'(x)=P pe(x)

Added by Paul J.

Thermodynamics: An Engineering Approach

Yunus A. Cengel, Michael A. Boles 9th Edition

Chapter 12

Instant Answer

Solved by Expert Gregory Higby

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\( Q_{11} \). (a) Use the retation \( (x-h) \frac{\partial \varphi}{\partial x}=h \frac{\partial \phi}{\partial h} \) and \( \phi=\sum_{e} P_{e}(x) h^{\rho} \) Prove that \[ x P_{e}^{\prime}(x)-P_{l-1}^{\prime}(x)=P p_{e}(x) \]