A) 1
B) 2
C) 3
D) None of these
Correct Answer: A
Solution :
\[y+\frac{1}{y}=0\] \[{{y}^{2}}+1=0\] then \[{{y}^{1000}}+{{y}^{999}}+1\] \[{{y}^{999}}({{y}^{2}}+1)+1\] \[0+1=1\]
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