1.

Express in the simplest form \[{{\left( t+\frac{1}{t} \right)}^{2}}+4t={{\left( t-\frac{1}{t} \right)}^{2}}\]

A. \[2{{t}^{2}}+\frac{2}{{{t}^{2}}}+4t=0\]
B. 4
C. \[4t+4=0\]
D. \[2t+2=0\]
Answer» D. \[2t+2=0\]


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