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Question Number 117567 by bounhome last updated on 12/Oct/20

$$giveA=\{a,b,c,d,e\};n\left(p\left(A\right)\right)=?$$$$$$

Answered by mr W last updated on 12/Oct/20

$$C_0^5+C_1^5+C_2^5+C_3^5+C_4^5+C_5^5=2^5=32$$$$\Rightarrow n\left(p\left(A\right)\right)=32$$

Commented by bounhome last updated on 13/Oct/20

$$andp\left(A\right)=?$$

Commented by mr W last updated on 13/Oct/20

$$all32subsetsofA:$$$$\left\{0\right\}$$$$\left\{a\right\},\left\{b\right\},...,\left\{e\right\}$$$$\{a,b\},\{a,c\},...,\{d,e\}$$$$...$$$$\{a,b,c,d,e\}$$

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