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n in (-oo:+oo)
n*((8^3*n*2^n)/(4^5)) = 0
n = 0
(8^3*n*2^n)/(4^5) = 0
(8^3*n*2^n)/(4^5) = 0 // * 4^5
8^3*n*2^n = 0
8^3*n = 0
512*n = 0 // : 512
n = 0
2^n = 0
n należy do O
8^3*n*2^n = 0 <=> 8^3*n = 0 or 8^3*n*2^n = 0 <=> 2^n = 0
n*((8^3*n*2^n)/(4^5)) = 0 <=> n = 0 or n*((8^3*n*2^n)/(4^5)) = 0 <=> (8^3*n*2^n)/(4^5) = 0
n in { 0, 0 }
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