17: This general power needs to be transformed into its canonical form first:

Conditions
    • sinh(x) > 0,
    • x ≠ 0
give the domain

D( f ) = (0,∞).

Now it is time to find limits at 0 from the right and at ∞.

Hint on limit at 0 from the right
Hint on limit at ∞
Answer