Syntax

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* When using division, if there is 'x' in denominator or numerator,
it must be surrounded with brackets.
examples: 1/(x) , (x)/(9x^2) , (x+1)/(x^2-1)

* When using power(^), if there is 'x' in the exponent,
the exponent must be surrounded with brackets.
examples: x^(x) , 5^(x+1)

* Expressions like sin(x)cos(x) will not be accepted, instead use sin(x)*cos(x)

* When using log(base,exponent), you can use also log(exponent) instead of log(10,exponent)
log examples: log(x,2) , log(12,x+1) , log(5)