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This might be a really dumb question. Please don't kill me for asking

The derivative of f(x)=2x

F'(x)=2

Can someone elaborate why derivative of 2pie=0

I'm thinking that 2pie is the same as 2x(x replaces pie) and thus the derivative would be 2 but the answer is zero.

Thank you.

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# Why is Derivative of 2pie=0 and not 2

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