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Question

State true or false:
P(A)P(B)=P(AB)

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Solution

Let A ={0,1} & B={1,2}
AB={1,2,3}
P(A) ={ ϕ, {0}, {1}, {0,1}}
P(B) ={ϕ, {1},{2},{1,2}}
P(AB) ={ϕ, {0,},{1},{2},{0,1},{1,2},{0,2},{0,1,2}}
P(A)P(B) ={0, {0},{1},{0,1},{2},{1,2}}
Clearly P(A)P(B)P(AB)

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