Tagged Questions

0
votes
2answers
410 views

Wolfram Alpha: How to define constants in a system of equations?

I'd like to use WA to solve a small system of nonlinear equations, that involve both constants and the variables of interest. How do I "tell" WA which variables are the constants, and which are the ...
2
votes
2answers
133 views

(Wolframalpha) this shouldnt give x=50?

This is my problem: I need x or y for the triangle area that forms between the vertical axis(y) and the function y=100+2x where the area is equal to 2500. so I used for condition to the linear ...
1
vote
1answer
59 views

Trivial transfiguration

I have $\frac{2ab}{ab-ac-bc+c^2}$. Of course it's $\frac{2ab}{c^2-ac-bc+ab}$ which is $\frac{2ab}{c^2-c(a+b)+ab}$ but for the latter Wolfram tells me it's not the same as $\frac{2ab}{ab-ac-bc+c^2}$. ...
0
votes
3answers
134 views

Why doesn't WolframAlpha factor my equation?

I entered in a simple-looking quadratic equation, expecting WA to factorize it for me, but then it gives me all this other stuff without the actual factors. The result is exactly the same as my input. ...