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If the tangent to the curve y=x (x-1) at...

If the tangent to the curve `y=x (x-1)` at the point `(a, b)` is parallel to the x-axis, then....... A) a=1/2 , b=1/4 B) a=1/2 , b=-1/4 C) a=-1/2 , b=1/4 D) a=-1/2 , b=-1/4

A

a=1/2 , b=1/4

B

a= ½, b= -1/4

C

a=- 1/2 , b=1/4

D

a=- ½, b= -1/4

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