Question

If A={x/x is a letter in the word "ACCOUNTANCY"}
then cardinality of Ais
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Answer 1

Answer:

A = {x/x is a letter in the word " ACCOUNTANCY"}

A= {A, C, O, U, N, T, Y}

cardinality of a set is no. of elements in the set.

cardinality ot A = 7

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