g [2 x+1] Out [2]= (Cos [2 x+1]-1)/ (2 x+1)^2. The symbol x_, pronounced ``x-blank,'' denotes a ``pattern'' named x. For example, If one were to enter. f [x] =3*x+1, then f [3] and f

Solve finds what are known as generic solutions to equations. These are solutions that do not depend on the variables not specified in the second argument. For example: No matter what y

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