f:R→R function that have a derivative in R .If f is odd function prove f':R→R is even function
عرض للطباعة
f:R→R function that have a derivative in R .If f is odd function prove f':R→R is even function
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بما ان f دالة فردية اذن (f(-x)=-f(x
(f(x)=-f(-x)
(df/dx=d/dx(f(-x)
(d/dx(f دالة فردية