Q.
The graph of the function y=f(x) is symmetrical about the line x = 2. Then
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a
f(x+2)=f(x−2)
b
f(2+x)=f(2−x)
c
f(x)=f(−x)
d
f(x)=−f(−x)
answer is B.
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Detailed Solution
f(x) is symmetrical about the line x = a⇒f(a+x)=f(a−x)
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