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a = 1
b = 2
U100 = a+(n-1)b
= 1+(100-1)2
= 199
S100 = 1/2n(a+U100)
= 1/2.100(1+199)
= 50.200 = 10.000
Rata2 : 10.000/100 = 100
2. bil. genap = 2,4,6....dst
a = 2
b = 2
U100 = 2+(n-1)b
= 2+(100-1)2
= 200
S100 = 1/2n(a+U100)
= 1/2.100(2+200)
= 50.202 = 10.000
Rata2 : 10.100/100 = 101
3. Volum kubus = r^3
= 96^3
= 884.736 cm^3
= 884,836 dm^3
= 884,836 liter