Let A = {1, 2, 3} and let B = {4, 5}. Find A X B.

{(1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5)}

{1, 2, 3, 4, 5}

{ }

{1, 2, 3}

Question

Let A = {1, 2, 3} and let B = {4, 5}. Find A X B.

 {(1, 4), (1, 5), (2, 4), (2, 5), (3, 4), (3, 5)}

 {1, 2, 3, 4, 5}

 { }

 {1, 2, 3}

anonymous · Answer

A

anonymous · Answer

how did u now rickchickenheart

callisto · Answer

Not sure if you understand this... But I also just learnt it ... 5 minutes ago :|

anonymous · Answer

so it is B right

anonymous · Answer

?

callisto · Answer

Nope, it's not.
I think the things in the set should be in the form (a,b), as mentioned in the definition.

anonymous · Answer

but i just copy pasted the question i am having in my exam

callisto · Answer

having exam... right now?!

anonymous · Answer

yes

callisto · Answer

I'm sorry but I should help you cheat in your exam...

callisto · Answer

*shouldn't

anonymous · Answer

no but i have last 3 questions i didnot know

callisto · Answer

All I can tell is the definition; A x B = { (a,b) : a $\in$ A and b $\in$ B } Once again, please don't post your exam questions here. We are not supposed to and not allowed to help you cheat in your exam. You may refer to our Terms and Conditions at http://openstudy.com/terms-and-conditions.

anonymous · Answer

i have one more question do u want to answer or no

callisto · Answer

If it's *not* your exam question, I would like to help as long as I can. If it is, I'm sorry that I can't.

anonymous · Answer

no i just submit my exam