[R] How do you do this in R?

[arun]

Hi,
Try:
 sum(sapply(1:100,function(i) i^3+ 4*(i^2)))
#[1] 26855900
 169551560477066118158651749177/79632685831739040000 
#[1] 2129170437

sum(sapply(1:25,function(i) ((2^i)/i)+ ((3^i)/(i^2))))
#[1] 2129170437
A.K.



I have done this on myself using paper and I know the answer for A is 26,855,900 
B I got 169,551,560,477,066,118,158,651,749,177/79,632,685,831,739,040,000 

So sorry for the constant questions here.