Parity function definition and intuition, characteristic function of a set.
I have a question of two (and a half) parts relating to parity functions. I) Pertaining to the definition of a parity function. II) Pertaining to the intu...
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I have a question of two (and a half) parts relating to parity functions. I) Pertaining to the definition of a parity function. II) Pertaining to the intu...
I need help with an algorithm involving an asymptotic output. I'm not a student and this is not homework, but it has been many years since I used to ...
Determine third point of triangle (on a 2D plane) when two points and all sides are known? A = (0,0) B = (5,0) C = (?, ?) AB = 5 BC = 4 AC = 3 Can someone...
An integer $x$ gives the same remainder when divided by both $3$ and $6$. It also gives a remainder of $2$ when divided by $4$, can you determine an uniqu...
I have a problem in which I need to find how many lines there would be if there are n points. No 3 points are collinear. All points are coplanar. I have f...
Find the equation(s) of the tangent line(s) to the curve given $(x,y)$ point. $$r=1-2\sin(\theta )$$ at $(0,0)$. I am not sure how to go about find the th...
Question how to evaluate $\arcsin(x)-\arccos(x)=\arccos(\frac{\sqrt{3}}{2})$ Thoughts Do you cos on both sides to finally do quadratic equation to solve a...
The exponentiation of Pauli vector $\vec \sigma=(\sigma_x,\sigma_y,\sigma_z)$ is trivial as we have the identity:$$e^{ia(\vec n\cdot \vec \sigma)}=I cos(a...
Prove that this set is a vector space (by proving that it is a subspace of a known vector space). The set of all polynomials p with p(2) = p(3). I underst...
In an equilateral triangle RST, points K, L, M are located on the sides such that RK=SL=TM. Prove that triangle KLM is equilateral. I have been trying to ...