CBSE Class 11-science Answered
If X={4^n-3^n-1:n elementof N}andY={9(n-1):n element of N}, prove that X is a subset of Y
Asked by shivam arora | 07 Jan, 2013, 12:06: PM
Expert Answer
to prove first write each set in roaster form
X={0,6,36,164,..........}
Y={0,9,18,27,36,45,.........}as
both sets are having elements which are not in other set so neither of two is subset of other
Answered by | 07 Jan, 2013, 01:53: PM
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