Question

If A and B are two sets, such that n(A-B)=15 ,n(AnB) = 10 and n(B-A) =25. Find n(A u B), n(A), n(B)​

Answer 1

Given,

n(A-B) =15

n(AnB) =10

n(B-A) =25

Now, n(AuB) ={n(A-B) +n(AnB) }+{n(B-A) +n(AnB) }-n(AnB)

=(15+10) +(25+10) -10

=25+35-10

=60-10

=50.

✪============♡============✿

$\huge \pink{✿} \red {C} \green {u} \blue {t} \orange {e} \pink {/} \red {Q} \blue {u} \pink {e} \red {e} \green {n} \pink {♡}$

Answer 2

Step-by-step explanation:

this is the answer of this question