FIND THE ANSWERS

If r < 0, there exists no x ∈ R such that x^2 = r?

Answer this question

Do you know the correct answer? Make money answering questions! Join now.
  • If r < 0, there exists no x ∈ R such that x^2 = r?


Answers

Prove that $\forall d > 0$ there exists $x_1, x_2 \in \mathbb{R} ... we can conclude that $\forall d > 0$ there exists $x_1, x_2 \in \mathbb{R}$ such ...
Read more
Positive: 31 %
... For every x ∈ R\{0} there is y ∈ R such that ... and for any ε > 0 there exists x ∈ A such that a < x+ε. 7. ... {x > 0|x2 < a}. Since 12 = 1, ...
Read more
Positive: 28 %

More resources

Show that limx!c x 3 = c3 for all c 2 R: Proof: Let † > 0: ... does it follow that limg exists? Answer: No. Pick f(x) ... we know there exists – > 0 ...
Read more
Positive: 31 %
q There exists a rational number x such that x 2 2 r All birds have wings s All from MATH ... There exists a rational number x such that x 2 = 2. r: ...
Read more
Positive: 26 %
... if there exists a number M ∈ Rsuch that x ≤ M ... {x ∈ R: x2 +x+1 ... For the second assertion assume that there is an ε0 > 0 such that there is ...
Read more
Positive: 12 %
Continuity Proof. We need to show |x2 − 12 ... Thus there exists x0 ∈ D (either r orξ), such that ... and there is no harm in dropping the condition 0
Read more
Positive: 10 %

Show more results