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Let $A=\{-1,2,5,8\}, B=\{0,1,3,6,7\}$ and $R$ be the relation 'is
one less than' from $A$ to $B$, then how many elements will $R$ contain?
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one less than' from $A$ to $B$, then how many elements will $R$ contain?
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Verified Answer
The correct answer is:
3
Given, $\mathrm{A}=\{-1,2,5,8\}$ and $\mathrm{B}=\{0,1,3,6,7\}$
Since, $\mathrm{R}$ be the relation 'is one less than' from $\mathrm{A}$ to $\mathrm{B}$ $\mathrm{R}=\{(-1,0),(2,3),(5,6)\}$
Hence, R contains 3 elements.
Since, $\mathrm{R}$ be the relation 'is one less than' from $\mathrm{A}$ to $\mathrm{B}$ $\mathrm{R}=\{(-1,0),(2,3),(5,6)\}$
Hence, R contains 3 elements.
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