Question

draw a Venn diagram for a set x={1,2,3,4,5,6} y={4,5,6,7,8,9,10} hence verify that n(x union y) =n(x)+n(y)-n(x intersection y) ​

Answer 1

Answer:

so, n(xUy) = 10

n(X) = 6

n(Y) = 7

n(XnY) = 3

n(XUY) = n(X)+n(Y)-n(XnY)

10 = 6+7-3

10=10

L.H.S = R.H.S

Hence verified

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