How to write a code to calculate the f '(3)?
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If f(x)=,then i want to know what is the value after i differential it and replace x with 3
I mean first i calculate f ' (x)=,then now i replace x with 3= f ' (3)== -5.4783
how do i write a code to calculate to the -5.4783?
I know i can use diff() to calculate the f ' (x),but how do i calculate the f ' (3) directly?
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