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Question: Isolate variable

Question:Isolate variable

Andre Luis Alves Neves 15 Maple 2023
isolate
May 10 2023
1

Hello,

How do I isolate the variable ng in the following expression:

rho := `ρg`*ng + `ρp`*np + `ρw`*nw;
B := np/Kp + nw/Kw + ng/Kg;

C := (B/rho)^(1/2);

As you can see, I am running the isolate command, but it is not including the variable C, or it returns the wrong result.

isolate(((np/Kp + nw/Kw + ng/Kg)/(`ρg`*ng + `ρp`*np + `ρw`*nw))^(1/2), ng);
                               ( Kp nw + Kw np) Kg
                   ng = -     -----------------

                                          Kw Kp       

 

isolate(C=((np/Kp + nw/Kw + ng/Kg)/(`ρg`*ng + `ρp`*np + `ρw`*nw))^(1/2), ng);
                             0 = 0

Thanks.                
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