Find [ {\P}( {\B} \/ {\A})+ {\P}( {\A} \/ {\B})], if {\P}( {\A})=\frac{3}{10}, {\P}( {\B})=\frac{2}{5} and {\P}( {\A} \cup {\B})=\frac{3}{5}.

CBSE Class 12 Math 2020 Outside Delhi Set 1 Solved Paper

Question : 26 of 36

Marks: +1, -0

Find

[ {\P}( {\B} \/ {\A})+ {\P}( {\A} \/ {\B})]

, if

{\P}( {\A})=\;{3}/{10}, {\P}( {\B})=\;{2}/{5}

and

{\P}( {\A} ∪ {\B})=\;{3}/{5}

Solution:

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