1.

Let f(x) and g(x) be two functions having finite non-zero third order derivatives f'''(x) and g'''(x) for all x ϵ R . If f(x)g(x)=1 for all xϵR then f′′′f′−g′′′g′ is equal to :

Answer»

Let f(x) and g(x) be two functions having finite non-zero third order derivatives f'''(x) and g'''(x) for all x ϵ R . If f(x)g(x)=1 for all xϵR then f′′′fg′′′g is equal to :



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