Prove that $s$ is finite and find and an $n$ so large that $S_n$ approximates $s$ to 3 decimal places.
57647
Prove that s is finite and find an n so large that $S_n$ approximate s to three decimal places.
114262
Find the cardinality of the following set $S_n=\{(x,y)|x^2+y^2=n, \text{where }x,y,n \in \mathbb Z\text{ and }n\geq0 \}$
135018
Proving that a sequence has $a_n = a_{n+2}$ for $n$ sufficiently large.
43940
Showing that $n$ is pseudoprime to the base $a$
128437
How to prove that a finite set is countable
129680
Prove that $n$ is even.
151553
Big-O proof showing that t(n) is O(1)
42603
How can I prove that the cadinality of a set minus a finite number of elements of it is still the same as the original set?
139826
arbitrary large finite sums of an uncountable set.
10744
Prove that a number is divisible by 3 iff the sum of its digits is divisible by 3
117414
How would I prove what elements $S_3$ contains, and what its subgroups are?
67295
Please check my proof for $N$ is infinite
36747
$\text{Tor}_0^R(M,N)\simeq M\otimes_R N$
925
Prove that $F_n={n-1 \choose 0 }+{n-2 \choose 1 }+{n-3 \choose 2 }+\ldots$ where $F(n)$ is the $n$-th fibonacci number
23712
$F$ is a finite field of size $s$. Prove that if $s=2^m$ for some $m>0$, then all elements of F have a square root.
151935
Proving the predicate $\forall n \in \mathbb{N} , n \geq 2$ using the Pigeonhole principle
59535
Prove that there exists such a set of $n$ positive integers