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If the equation : (a +1) x^2 -(a+2)x+(a...

If the equation : `(a +1) x^2 -(a+2)x+(a+3)=0` has roots equal in magnitude but Opposite in signs, then the roots of the equation are:

A

`+-a`

B

`+-1/2 a`

C

`+-3/2 a`

D

`+-2a`.

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