Discrete Maths - Sets
107. If f : Z → Z be defined as f(x) = x2 , x ∈ Z, then function f is
- Option : D
- Explanation :
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108. 'Subset' relation on a set of sets is
- Option : A
- Explanation :
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109. The correspondence f : N → N is such that
f(x) = y and for x= p1e1, p2e2,...pkek where pi are distinct primes and integers ei>1, if y = ei + e2 +...+ek, then
- Option : B
- Explanation :
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- Option : D
- Explanation :
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