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I want to solve the following equation:

X''(t)=(`ρ`*Cd*(Vz-Wz)*(Vx-Wx))/Bc

Y''(t)+(`ρ`*Cd*(Vy-Wy)*(Vx-Wx))/Bc

Z''(t)+((`ρ`*Cd*(Vz-Wz)^2)/Bc)+g

I don't have values of any variable. i need general solution. I am using Mupad, matlab please help me. Thanks

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Q: How do you solve second order differential equation with many variables?
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