Sameh Shenawy
Reputation
5,627
Top tag
Next privilege 10,000 Rep.
Access moderator tools
3 10 28
Impact
~77k people reached

• 11 helpful flags
• 894 votes cast

 11 How to calculate the integral of this fraction 6 Solving a second order differential equation 5 intregration without substitution of $x^x \ln x$ 5 What does it mean if $\det(A)$ equals $1$? 5 Prove $(A \cap B) \cup (A \cap B^c) = A$

### Reputation (5,627)

 +10 Find a plane that passes through a point and is perpendicular to 2 planes +10 Finding an equation of a plane a certain distance from a given plane +20 Proof of the fact that $\ln(a) = f '(0)$ for $f(x) = a^x$? +10 is convex hull of intersection equal to intersection of convex hull

### Questions (15)

 5 What does it mean “being geodesic” is not invariant? 4 Is there a charaterization of riemannian product manifolds? 4 Hessian of a function on Riemannian manifolds 3 What is the value of the 2-form $X(u(Y))-Y(u(X))-u([X,Y])$, is it $2du(X,Y)$? 3 What is the importance of conformal vector fields on Riemannian manifolds?

### Tags (128)

 86 calculus × 61 28 differential-geometry × 38 71 integration × 38 22 limits × 11 46 differential-equations × 36 18 definite-integrals × 9 33 multivariable-calculus × 30 16 derivatives × 11 30 linear-algebra × 18 14 algebra-precalculus × 13

### Accounts (7)

 Mathematics 5,627 rep 31028 Academia 193 rep 9 MathOverflow 163 rep 17 Physics 111 rep 4 TeX - LaTeX 108 rep 4