document.write( "Question 1069898: If n(a) = 35 and n(b)=8 find the following if the sets A and B are disjoint:\r
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Algebra.Com's Answer #685010 by ikleyn(52794) $\"\"$ $\"About$

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\n" ); document.write( "If n(a) = 35 and n(b)=8 find the following if the sets A and B are disjoint:\r
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document.write( "a)  In my understanding, if the sets A and B are disjoint, then their intersection is empty.\r\n" );
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document.write( "    Hence, \"if the sets A and B are disjoint\", then  n ( A intersect B) = 0  independently of numbers n(A), n(B).\r\n" );
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document.write( "b) n (A union B) = n(A) + n(B) = 35 + 8 = 42.   (since the sets A and B are disjoint)\r\n" );
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