1.

Solve 2(x+(1)/(x))^(2)-7(x+(1)/(x))+5=0," when "x ne 0

Answer»

`{2 +-1/2,(1+- isqrt(3))/(2)}`
`{2,-1/2,(1+I SQRT(3))/(2)}`
`{-2,1/2,(1+-isqrt(3))/(2)}`
none

Answer :A


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