Question

Pede-se o valor integral:

5
∫ (x²+2) dx
2

a)100
b)45
c)25
d)0
e)80

Answer 1

5
∫ (x²+2) dx
2
                 5
= [x³/3+2x]
                 2
=(5³/3+2.2)-(2³/3+2.2)
=125/3+10-8/3-4
=135/3
=45