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The minimum value of the function f(x)...

The minimum value of the function `f(x)=x^(10)+x^2+1/(x^(12))+1/((1+sec^(-1)x)` is
(1)`(pi+4)/(pi+1)`
(2) `(3pi+4)/(pi+1)`
(3)`(pi+4)/(3pi+1)`
(4) 3

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