A) \[\frac{-{{a}^{4}}+18{{a}^{2}}-1}{{{a}^{4}}-2{{a}^{2}}+1}\]
B) \[\frac{{{a}^{4}}-9{{a}^{2}}+3}{{{a}^{4}}+2{{a}^{2}}+1}\]
C) \[\frac{{{a}^{4}}+9{{a}^{2}}-3}{{{a}^{4}}-2{{a}^{2}}+1}\]
D) \[\frac{-{{a}^{4}}+16{{a}^{2}}+1}{{{a}^{4}}-2{{a}^{2}}+1}\]
E) None of these
Correct Answer: A
Solution :
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