the power of p disappeared | Revision Server | Page 1

sleek trail Dec 27, 2022, 7:39 PM

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the power of p disappeared

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look at line 1 of working

ember swift Dec 27, 2022, 7:40 PM

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?

sleek trail Dec 27, 2022, 7:41 PM

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question a

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the binomial expansion with p as n

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next step, nCr of p

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then p and p(p-1)/2 is subbed into the binomial expansion

ember swift Dec 27, 2022, 7:43 PM

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yeah

sleek trail Dec 27, 2022, 7:43 PM

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^ this shows them subbed in

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however where did the powers of p go??

ember swift Dec 27, 2022, 7:43 PM

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1 to the power of anything is 1

sleek trail Dec 27, 2022, 7:44 PM

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oh fr

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o ye

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thats my mistake

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im doing something wrong with this part

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ember swift Dec 27, 2022, 7:57 PM

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(-2x)^2 = 4x^2

sleek trail Dec 27, 2022, 7:58 PM

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wait

#the power of p disappeared