'Atom exp' diaporamas de présentation

Example of formula

Example of formula. ( defun roots (a b c) ( list (/ (+ (- b) ( sqrt (- ( expt b 2) (* 4 a c)) )) (* 2 a) ) (/ (+ (- b) ( sqrt (- ( expt b 2) (* 4 a c)) )) (* 2 a) ) ) ). Returns a list of solutions to a quadratic equation. eval and quote.

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John McCarthy

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