Question

Let A {1,2,7,9,0), B= {3,5,7,9} then A-B is
a) {3, 5, 7)
b) {1,2}
d) {1,2,0)
c) {3,5,9)​

Answer 1

Answer:

option D

Step-by-step explanation:

A{1,2,7,9,0}

B{3,5,7,9}

first we need to remove common elements

and then what are left in A we need to choose

so, in A

{1,2,0} are left

so, it is the answer

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