PV
Size: a a a
PV
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f = x => x ? 8/21*f1(x-1) + 8/21*f2(x-1) + 5/21*f3(x-1) : 0
f1 = x => x ? 8/21 + 8/21*f2(x-1) + 5/21*f3(x-1) : 0
f2 = x => x ? 8/21*f1(x-1) + 8/21 + 5/21*f3(x-1) : 0
f3 = x => x ? 8/21*f1(x-1) + 8/21*f2(x-1) + 5/21 : 0
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t
f = x => x ? 8/21*f1(x-1) + 8/21*f2(x-1) + 5/21*f3(x-1) : 0
f1 = x => x ? 8/21 + 8/21*f2(x-1) + 5/21*f3(x-1) : 0
f2 = x => x ? 8/21*f1(x-1) + 8/21 + 5/21*f3(x-1) : 0
f3 = x => x ? 8/21*f1(x-1) + 8/21*f2(x-1) + 5/21 : 0
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