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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 2012-10-25 04:09:19

John-o
Guest

Derivative

What is the derivative of x^i?

#2 2012-10-25 04:11:51

zetafunc.
Guest

Re: Derivative

You can treat i like a constant, so here it's just

, by the power rule.

#3 2012-10-25 04:19:33

John-o
Guest

Re: Derivative

Will the power rule work for complex exponents too.

#4 2012-10-25 04:22:49

zetafunc.
Guest

Re: Derivative

Yes, because the exponent is still just a constant;

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