math101
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545
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### Questions (28)

 12 Prove that the ring $(\{0\},+,\cdot)$ is a subring of any ring $(R,+,\cdot).$ 7 How to prove that a mapping is homomorphic 5 Prove that $f$ having a limit at $0$ implies that $f$ has a limit at every real number 5 Proof of $S \subset \mathbb{R}$, $\inf(S)\leq \sup(S)$ 5 Is the following a ring?

### Reputation (545)

 +10 Prove that the ring $(\{0\},+,\cdot)$ is a subring of any ring $(R,+,\cdot).$ +5 Proving the Product Rule for exponents with the same base +5 Finding the MVUE using Rao-Blackwell Theorem +5 Approximating an Integral using series

 1 Romberg Integration

### Tags (21)

 1 numerical-methods × 12 0 statistics × 3 1 integration × 2 0 sequences-and-series × 2 0 abstract-algebra × 5 0 approximation × 2 0 interpolation × 4 0 continued-fractions × 2 0 real-analysis × 4 0 differential-equations × 2

### Accounts (8)

 Mathematics 545 rep 218 Cross Validated 121 rep 4 Stack Overflow 101 rep 1 Personal Finance & Money 101 rep Programmers 101 rep