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Question Number 162234 by EvaNelle00 last updated on 27/Dec/21

        Σ_(p=0) ^n (−1)^p C_p ^(1/2) (−1)^(n−p) C_(n−p) ^(1/2)  =   ????         Please Help me(Aidez moi)

$$ \\ $$$$\:\:\:\:\:\:\underset{{p}=\mathrm{0}} {\overset{{n}} {\sum}}\left(−\mathrm{1}\right)^{{p}} {C}_{{p}} ^{\frac{\mathrm{1}}{\mathrm{2}}} \left(−\mathrm{1}\right)^{{n}−{p}} {C}_{{n}−{p}} ^{\frac{\mathrm{1}}{\mathrm{2}}} \:=\:\:\:???? \\ $$$$\:\:\:\:\:\:\:{Please}\:{Help}\:{me}\left({Aidez}\:{moi}\right) \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

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