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The range of (x^2 + 2x +1)/( x^2 +...

The range of ` (x^2 + 2x +1)/( x^2 +2x -1) ` is

A

`(-oo,0)uu(1,oo)`

B

`[1/2, 2]`

C

`[-oo, (-2)/(9)]uu(1,oo)`

D

`(-oo,6)uu(-2,oo)`

Text Solution

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The correct Answer is:
A
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