Math, asked by prathamkumbhare7394, 6 months ago

If n(a)=50;n(b)=20 and n(aub)=10 and if the no. of elements of a∆b is k then the sum of digits if k is

Answers

Answered by Kpv5348
4

Step-by-step explanation:

aub=na+nb-anb

10=50+20-anb

anb=70-10

anb=60

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