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 Dec13 answered $x$ values for $2x + |x| = 3 + |x+1|$ Dec10 answered Values of a, b, and c that the curve $y = ax^3 + 3x^2 + bx + cx + e^x$ has one point of inflection? Dec4 answered Does every record of the arithmetic derivative of natural numbers occur at a practical number? Dec2 answered Positively non-positive (from Brilliant.org) Whats wrong with my method? Nov28 answered Trigonometry triangles Nov28 answered Continued fraction explanation Nov28 answered Lower bound for logarithm? Nov26 asked Can we determine which statements are incomplete due to Godel? Nov26 answered When proving a statement by induction, how do we know which case is the valid 'base'? Nov24 answered Probability - rolling two dices and flipping one coin two times Nov24 answered Differential Equations and Newtons method Nov24 answered Derivative word problem - $s''(t) = a$, i.e the acceleration is constant and $(1) [s'(t)]^2 = 2as(t)$ Nov24 answered Proving for every odd number $x$, $x^2$ is always congruent to $1$ or $9$ modulo $24$ Nov22 answered Limit of $\left(1-\frac{1}{n^2}\right)^n$ Nov18 answered Proving $n^3$ is even iff $n$ is even Nov15 answered D.w. $p_i>\sigma(p_1^{a_1}p_2^{a_2}…p_{i-1}^{a_{i-1}})\forall i \in [1,\omega(n)]\iff d_j>d_1+d_2+…+d_{j-1} \forall j \in [1,\sigma_0(n)]$ Mar22 answered What is the probability you guess the number I am thinking of? Mar21 answered What are some ways to find the minimum of an expression? Mar21 answered compute minimum distance between point and great arc on sphere Feb20 answered Root of a polynomial with rational coefficients