1a) Evaluate the limit as x goes to infinity using l'hopitals rule
(x^-1/3)/sin(1/x)
1b) Evaluate the improper integral (if convergent find it's value)
(secx-tanx)dx where a= 0 and b=pi/2
(A)
we can plug x=inf
so, we can use L'hospital rule
we can find derivative of top and derivative of bottom
we can simplify it
now, we can plug x=inf
............Answer
(B)
we can set up integral
Firstly, we can find antiderivative
now, we can plug bounds
and we get
............Answer
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