Kan noen hjelpe meg med å derivere denne likningen: da/db
e^(2a)*ln(b^2)-a^3*b+ln(a*b)=21
Mvh Gøran
Derivering
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gran_johansen
- Noether
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Last edited by gran_johansen on 04/09-2012 15:51, edited 1 time in total.
[tex]\frac{\partial}{\partial a} \left( e^{2a} \ln (b^2) - a^3 \cdot b + \ln(ab) \right) = 2e^{2a} \ln (b^2) - 3a^2 \cdot b +\frac{1}{a}[/tex]
[tex]\frac{\partial}{\partial b} \left( e^{2a} \ln (b^2) - a^3 \cdot b + \ln(ab) \right) = \frac{2e^{2a}}{b} - a^3 + \frac{1}{b}[/tex]
[tex]\frac{\partial}{\partial b} \left( e^{2a} \ln (b^2) - a^3 \cdot b + \ln(ab) \right) = \frac{2e^{2a}}{b} - a^3 + \frac{1}{b}[/tex]