A-5. The number of subsets of the p...
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A-5. The number of subsets of the power set of set A = {7, 10, 11} is (A) 32 (B) 16 (C) 64 (D) 256 -- - infinitat 2

JEE/Engineering Exams
Maths
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( A={7,10,11} ) ( mathrm{n}(mathrm{A})=3 text { [number of elements in set } mathrm{A}] ) Number of subsets of ( mathrm{A}=2^{wedge} mathrm{n}(mathrm{A}) ) ( =2^{wedge} 3 ) ( =8 ) Number of elements in power set of ( A=8 ) Number of subsets of ( mathrm{P}(mathrm{A})=2^{wedge} 8=256 )
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