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Question: Some sort of typo problem I think

Question:Some sort of typo problem I think

Ronan 827 Maple
sum
February 03 2018
0


I can see my error here.Problem with Sigma(n^3). I sure i have done something stupid.

restart

``

((1/2)*n*(n+1))^2

(1/4)*n^2*(n+1)^2

 (1)

"(=)"

(1/4)*n^4+(1/2)*n^3+(1/4)*n^2

 (2)

f := proc (n) options operator, arrow; sum(n^3, i = 1 .. n) end proc

proc (n) options operator, arrow; sum(n^3, i = 1 .. n) end proc

 (3)

f(1)

1

 (4)

f(2)

16

 (5)

f(3)

81

 (6)

1^3+2^3

9

 (7)

1^3+2^3+3^3

36

 (8)

``


 

Download Sigma_problem.mw
 

restart

``

((1/2)*n*(n+1))^2

(1/4)*n^2*(n+1)^2

 (1)

"(=)"

(1/4)*n^4+(1/2)*n^3+(1/4)*n^2

 (2)

f := proc (n) options operator, arrow; sum(n^3, i = 1 .. n) end proc

proc (n) options operator, arrow; sum(n^3, i = 1 .. n) end proc

 (3)

f(1)

1

 (4)

f(2)

16

 (5)

f(3)

81

 (6)

1^3+2^3

9

 (7)

1^3+2^3+3^3

36

 (8)

``


 

Download Sigma_problem.mw

 
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