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If the point (a^2,a+1) lies in the angle...

If the point `(a^2,a+1)` lies in the angle between the lines `3x-y+1=0` and `x+2y-5=0` containing the origin, then find the value of `adot`

A

`(-3,-1)uu((1)/(3),1)`

B

`(-3,0)uu((1)/(3),1)`

C

`(-3,-1)uu(-(1)/(3),1)`

D

`(-3,0)uu((2)/(3),1)`

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