Help on 2 arc length problems?!?!?

Help on 2 arc length problems?!?!?



1) 



Find the length of the arc formed by 



x^2=3y^3 



from point A to point B, where A = (0,0) and B = (9,3). 



2) 



Find the length of the curve defined by: 



y= 5x^3/2 + 3 



from x=2 to x=7. 





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