{:("If",a = 1 + 2 + 4 + ..."to n terms")...

`{:("If",a = 1 + 2 + 4 + ..."to n terms"),(,b = 1 + 3 + 9 + ..."to n terms"),(,c =1 + 5 + 25+ ..."to n terms"):}`
then `|(a,2b,4c),(2,2,2),(2^(n),3^(n),5^(n))|=`

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