Dec 31, 2014equation：等式，方程式 英英释义： an assertion that two expressions are , expressed by writing the two expressions separated by an equal sign; An equation is any expression with an equals sign, so your example is by definition an equation. Equations appear frequently in mathematics because mathematicians love to use equal signs.
Apr 15, 2018the equation to simpler equation (s) and end up with an equation that can be solved by inspection. May 28, 2013i love your answer for a line equation in the form of z = f (x, y). Aug 13, 2013i found this question in a differential equation textbook as a question the equation $ \frac {dy} {dx} =a (x)y^2 + b (x)y +c (x) $ is called riccati's equation
Dec 30, 2025thanks but i still do not understand how you change the original equation to x(y) x (y) -land, especially for x′′(y) x ″ (y) part.
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