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$$ {x+{1 over{x}}}$$, then the value of $$ {x^2}+{...
1.
$$ {x+{1 over{x}}}$$, then the value of $$ {x^2}+{1 over{x^2}}$$ is
A.
9
B.
7
C.
11
D.
14
Answer» C. 11
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