Use of Sigma

I NEED HELPPPPP.....

4
E 6/j^2
j=1

i keep on getting 51/4 whats my mistake?
heres the equation i got s = 4(6+3/8) / 2

im not asking for answers...as you can see i already got the equation but i keep on getting the wrong answer

Quote:

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Originally Posted by jordangiscool

I NEED HELPPPPP.....

4
E 6/j^2
j=1

i keep on getting 51/4 whats my mistake?
heres the equation i got s = 4(6+3/8) / 2

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By definition:

that's not an arithmetic progression

Hello songoku

Quote:

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Originally Posted by songoku

that's not an arithmetic progression

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Correct! What made you think it was?

Grandad