find n[p(A)] and n[p(B)] where A={x;x is a vowel of english alphabet} and B={x; x^2+3<2,x€N}

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find n[p(A)] and n[p(B)] where A={x;x is a vowel of english alphabet} and B={x; x^2+3<2,x€N}

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Lydia 1 week 2021-09-15T20:22:07+00:00 1 Answer 0

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    2021-09-15T20:23:10+00:00

    A=\{a,e,i,o,u\}\\n(A)=5\\n(\mathcal{P}(A))=2^5=32\\\\x^2+3<2\\x^2<-1 \\x\in \emptyset\\|B|=0\\n(\mathcal{P}(B))=2^0=1

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27:3+15-4x7+3-1=? ( )