Answer to Question #85964 in Discrete Mathematics for Anna

Question #85964

Recall that a real number x is rational if x = p/q for integers p, q with q = ̸= 0.

Prove that if x is rational then 1/(2x+1) is rational. Then prove that if 1/(2x+1) is rational then x is rational.

Expert's answer

Download Answer

Learn more about our help with Assignments: Discrete Math

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Given that p and q are propositions construct the truth table of p⟶q p<->q
2. Prove that the conditional proposition p⟶q and its contrapositive ~q⟶~p
3. Given that p and q are propositions construct the truth table of p -> q p <-> q
4. Prove that the conditional proposition p->q and its contrapositive ~q ->~p are logically equiv
5. Prove by mathematical induction the formula (1^3+2^3+3^3+4^3+....n^3)=(n^2(n+1)^2)/4
6. In how many ways can one select 7 member committee from 10 distinct persons if only three persons qu
7. Draw the graph represented by the adjacency matrix . (0 0 1 0 1 0 1 0 0)

Who Can Help Me with My Assignment

There are three certainties in this world: Death, Taxes and Homework Assignments. No matter where you study, and no matter…
How to Finish Assignments When You Can’t

Crunch time is coming, deadlines need to be met, essays need to be submitted, and tests should be studied for.…
How to Effectively Study for a Math Test

Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…