Deriv : x2 = 2x x***3 = 3x2 xexpo(n) = nx(expo)n-1 1/x = -1/x2 racine(x) = 1/2racine(x) u+v= u'+v' ku = ku' uv = u'*v+u*v' 1/v = -v/v2 u/v = (u'*v - u * v')/v2 (e de u) = u'*e de u u de n = n*u'*u de n-1 rac de u = u'/2rac de u f(a+h)-f(a)/h (expo u) = u'expo u expo x = (expo x)' expo -x = (-expo -x)'