Integral Calculus Answers

Find the surface area of the band of the sphere generated by revolving the arc of the cicle
x^2+y^2=r^2
lying above the interval [-a,a],a,r

π
3π
4πar
2πar

Integrate with respectto x :
∫10 4xdx
23
43
13
45

Integrate with respect to x :
∫10 xdx
4
1
2
12

Integrate with respect to x :
∫10x^2dx
a. 4 1/3
b. 1
c. 2
d. 12

Determine l= ∫2e^xdx
,given that l=50.2 when x =3

e^3+C
x+C
2e^x+10
3ex+C

Determine l= ∫2cosxdx
,given that l=7 when x=π2

3sinx+$
2sinx+5
4cosx+C
5sinx+C

Determine l=
∫5dx
,given that l=16 when x= 2

3x+C
5x+6
x+C
4x+C

Find
∫e13dx

Find
∫e2xdx

∫xcosax2dx
with respect to x