Question

Let R be a relation in the set of natural numbers defined by R={(1+x,1+x^2):x less than or equal to 5,x belongs to natural nmbers)}. Total number of elements in R is?

Answer 1

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Answer 2

Answer:

PROCESS 1 ::

Here x = 1, 2,3,4,5

So

R = {(2,2) (3,5) (4,10 (5,17) (6,37) }

So the required number of elements in R is 5

PROCESS 2 ::

Here x = 1, 2,3,4,5

So the number of choices for x is 5

So the required number of elements in R is 5

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