[quote="mikemcgarry"] The rules of differentiation allow a first-year calculus student to find the derivative of any function, butthe anti-derivative does not exist often in cases where an elementary function is easily written .
(A) the anti-derivative does not exist often in cases where an elementary function is easily written . "Where" is used for places only. "Does not exist often" is a wrong construction
(B) when you write an elementary function, it easily could he anti-derivative
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(A) the anti-derivative does not exist often in cases where an elementary function is easily written . "Where" is used for places only. "Does not exist often" is a wrong construction
(B) when you write an elementary function, it easily could he anti-derivative
...
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