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# C3 Even function? watch

1. Can someone explain why this is an even function?

f(x)= ln(1+x^2)
2. (Original post by hassantsr)
Can someone explain why this is an even function?

f(x)= ln(1+x^2)
Well, what is the condition for a function to be even? Does that condition apply here?
3. (Original post by RDKGames)
Well, what is the condition for a function to be even? Does that condition apply here?
f(-x)=f(x) if it is an even function so it is an even function right?
4. (Original post by hassantsr)
f(-x)=f(x) if it is an even function so it is an even function right?
Show that it is to convince yourself.

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