h(x)<f(x)<g(x)
for all x in some deleted neighbourhood of a. if the limit of h(x) as x approaches a = L and similarly the limit of g(x) as x approaches a = L then we can say the limit of f(x) = L also.
does anyone know a good proof for this?
h(x)<f(x)<g(x)
for all x in some deleted neighbourhood of a. if the limit of h(x) as x approaches a = L and similarly the limit of g(x) as x approaches a = L then we can say the limit of f(x) = L also.
does anyone know a good proof for this?