JoãoVitorMC
Anyone know of a product formula for arithmetic progression?



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amistre64
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that sounds like a contradiction in terms

JoãoVitorMC
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something like that: (a1)*(a1 + r)*(a1 + 2r)*(a1 + 3r)*...*(a1 + nr)

amistre64
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\[\prod_{n=1}^{\infty}(a_1+d(n1)) \]
maybe?

amistre64
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i dont think its an arithmatic progression tho

JoãoVitorMC
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what is "d"?

amistre64
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d is the common difference in an arithmatic progression

amistre64
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r tends to mean a common ration of a geometric progression


amistre64
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that might be it :)

FoolForMath
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that is right ;)

JoãoVitorMC
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thanks ^^

FoolForMath
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Glad to help :)