HELP integration questions!!>< (1 Viewer)

[sakurali823]

1)evaluate
2
] x(2-x)^1/2 dx , u=x^2-1
-1

2)evalutate
1
] xe^(3x^2) dx in exact form
0

3) evaluate
1
] x^2(1+3x^3)^1/2 dx, u=1+3x^3
0


Thanksssssss~~

 

[LoneShadow]

try reading your text book. those questions are straight forward.