1. Tardigrade
  2. Question
  3. Mathematics
  4. Let A= 1, 2,3 . Then, the number of subsets of A, is

Q. Let $A=\{1,\{2,3\}\}$. Then, the number of subsets of $A$, is

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Solution:

We have, $A=\{1,\{2,3\}\}$
Number of element in $A=2$
Number of subsets of $A=2^{2}=4$

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