Question

write the set a={x:x²-2=0, x is rational} in roster form

I'll mark you BRAINLIEST if the answer is explained​

Answer 1

Answer:

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Answer 2

Given:

the set a={x:x²-2=0, x is rational}

To find:

The roaster form of the given set

Solution:

We have given the set

A = {x:x²-2=0, x is rational}

this is the set builder form of the set

and in the roaster form of the set, we just write the value of the given condition and equation in the set.

we have the given the equation as

• x²-2=0
• x²=2
• x = ±√2

So, the roaster form of the set is {-√2,+√2}

The roaster form of the given set A = {x:x²-2=0, x is rational}  is {-√2,+√2}