find this derivative for this equation

B is the third derivative with respect to t of the function: y3 + 3x − sin(xt) + e^βx

[KSSV]

Read about syms and diff.

[mustafa jbara]

I dont find my answer

[Walter Roberson]

In y3 + 3x − sin(xt) + e^βx all of the terms are constant with respect to t except sin(xt). So all of the other terms drop out when you take the derivative.

Unless, that is, y or x or β are functions of t

Answer 1

[Kritarth Sinha]

Hello Mustafa

You can refer to Derivatives of Expressions with Several Variables section of the following page:Differentiation - MATLAB & Simulink (mathworks.com).

Hope it will help.