If $$\(\frac{x-1}{x+1}=2019\)$$, what is the value of $$\(\frac{x^{2}-2 x+1}{x^{2}+2 x+1}\)$$ ?
A.
2019
B.
4076361
C.
non deterministic
D.
none of above
Exam No：2020 First Round Grades 10-12 Year：2020 Question No：19
Answer:
B
Knowledge points:
G10-12 - Algebra - Polynomial Factoring (Advanced Techniques)
Solution:
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