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y = f(x) be a real valued function with ...

y = f(x) be a real valued function with domain as all real numbers. If the graph of the function is symmetrical about the line x = 1, then for all `alpha in R `

A

`f(alpha)=f(alpha+1)`

B

`f(alpha-1=f(alpha)`

C

`f(alpha-1)=f(alpha+1)`

D

`f(1-alpha)=f(1+alpha)`

Text Solution

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The correct Answer is:
D
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