Continuity and DifferentiabilityHard

Question

Let l = where m, n ∈ N then -

Options

A.l is independent of m and n
B.l is independent of m and depends on m
C.l is independent of n and depends on m
D.l is dependent on both m and n

Solution

l = xm (ln x)n
=
        (applying L′ Hopital′s rule)
Again differentiating (n - 1) times

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