Tiwa Aina

 17 Division by $0$ and its restrictions 12 Shortcut to finding the square-root of a perfect-square? 9 Formula for the sequence 1 1 2 2 3 3 7 The need for rigorous proofs in Sets 7 Whats the integral of $e^{1/x}$ dx?

### Reputation (2,722)

 +10 Intution behind the fact that $X,Y$ i.i.d $\not \implies \mathbb E[X|A] = \mathbb E[Y]$ +10 Partial vs. total differentiation,basic distinction +10 Is Nim a (strong) positional game? +10 The graph of the derivative of a function $f(x)$ is shown and $f(-3)=-1$. How many local minima of the function $g(x) = \left | 2f(x)+x^2 \right |$?

### Questions (49)

 10 How did Euler disprove Mersenne's conjecture? 7 Showing that $1 + 2 x + 3 x^2 + 4 x^3 + \cdots + x^{10} = (1 + x + x^2 + x^3 + x^4 + x^5)^2$ 5 Does having closed forms of two generating functions guarantee that one can find the closed form of their term-by-term product? 4 Alternating dice roll game 4 Improving clarity and argumentation with hard-to-describe combinatorial proof

### Tags (146)

 34 algebra-precalculus × 18 17 divisibility × 2 29 calculus × 28 17 rational-numbers 21 integration × 13 15 combinatorics × 19 20 derivatives × 14 15 sequences-and-series × 14 17 proof-explanation × 3 12 square-numbers × 2

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 Mathematics 2,722 rep 421 Interpersonal Skills 285 rep 13 English Language & Usage 175 rep 6 Science Fiction & Fantasy 173 rep 6 Stack Overflow 151 rep 10