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If axis of the parabola y= f(x) is para...

If axis of the parabola y= f(x) is parallel to y-axis and it touches the line y = x at (1, 1), then

A

`f'(0)- 2f(0)+ 1= 0`

B

`f'(0)+2f(0)=1`

C

`2f'(0) +f(0)=1`

D

`2f'(0)- f(0)+1=0`

Text Solution

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The correct Answer is:
B
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