- #1
sapiental
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Homework Statement
Compute the following double sum
(n=3)(i=0)[tex]\sum[/tex](n=2)(j=0)[tex]\sum[/tex](3i+2j)
Homework Equations
sums
The Attempt at a Solution
my answer follows expanding the first sum, then just doing the last one
i get
(n=3)(i=0)[tex]\sum[tex](6+9i) = 78
thanks!