Question

•explain with proper definition.

•Prove that the follow question is a empty set(null set)

C={x |5x-2=0,x € N}



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Answer 1

We will solve the equation first.

5x - 2 = 0

5x = 2

x = 2/5

But, no fractions are included in the set of natural numbers.

So there will be no elements in this set.

It will be an empty/null/void set.

c={ }

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Answer 2

Answer:In the following set the x value will be 2/5 but it is a rational number not an natural number