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Barisan aritmatika :
a = U1
b = U2-U1 dengan rumus Un = a + (n-1)b
Barisan geometri :
a = U1
r = U1 : U2 dengan rumus Un = a.r pangkat n-1
U1 + U2 + U3 +......+Un
Deret Aritmatika :
~ rumus........ Sn = n/2 ( 2a + (n-1)b )
Deret Geometri :
~ rumus............. Sn = A ( 1-r pangkat n ) : 1 - r