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f(x)=10x^(2)-20x+5...

`f(x)=10x^(2)-20x+5`

A

`I_(1)=(1, infty),I_(2)=(-infty,1)`

B

`I_(1)=(-1,2),I_(2)=(2, infty)`

C

`I_(1)=(-4,1)I_(2)=(1,infty)`

D

none of thses

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The correct Answer is:
A
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