Question

4. n(A-B) + n(ANB) = ?
(a) n(A)
(b) n(B)
(c) 0
(d) n(B-A)
​

Answer 1

Answer:

a.n(a)

Step-by-step explanation:

n(A-B)= n only a

n only a + n(anb)= n(a)

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Answer 2

Answer:

I hope a option is correct