1.

Express the following in the lowest terms. ((2x^(2)+1)/(x-1)+(x-1)/(x+1))xx((x^(2)-1)/(2x)):

Answer»

`2x^2+3x//2`
`2x^3+3x^2-x+2//2x`
`2x^3-3x^2+x-2//2x`
NONE of these

Answer :B


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