N. Bar's user avatar
N. Bar's user avatar
N. Bar's user avatar
N. Bar
  • Member for 5 years, 2 months
  • Last seen more than a week ago
15 votes
Accepted

Simplify, equivalent for (p ∨ ¬q) ∧ (¬p ∨ ¬q)

5 votes
Accepted

Explanation of an answer of a GRE review question Chapter 3, #1: Find the angle between the diagonals of the back and left faces of the cube

4 votes
Accepted

Is $(\mathbb{Z}, \times)$ also a group?

3 votes

Say, hypothetically, there were 4 seconds in 1 minute instead of 60 seconds. How many seconds would 24 hours (1 day) be?

3 votes
Accepted

Area between parabola and a line that don't intersect? 0 or infinity

3 votes

Solving a maximum minimum problem

3 votes

Calculating limit approaches inifnity having infinite terms

2 votes

Area between $t^2$ and $\sqrt{t}$ in interval [0,2]

2 votes
Accepted

Basic Integration: Evaluating the Lower Sum and the Limit of the Lower Sum as $n \rightarrow \infty$

2 votes

Why is $x(x-9)=x^2-9x$ and not $x^2-9$?

2 votes

logic - natural language to symbolic form

1 vote
Accepted

deduction proof

1 vote

Symbolizing "somebody likes everybody bob likes"

1 vote

Riddle on implication

1 vote

What is the concept of limit to derivative?

1 vote
Accepted

Finding the volume when a parabola is rotated about the line $y = 4$.

1 vote
Accepted

Can you please explain this formula to me?

1 vote

show that $\intop_{0}^{1}\frac{\sin^{2}\left(x\right)}{x^{2}}$ diverges

1 vote
Accepted

Could somebody please tell me what math field this is from?

1 vote

Differentiability of $f(x)$ at $x=0$

1 vote

For a circle with angles $\alpha$, $\beta$, $\gamma$, inradius $r$, and semiperimeter $p$, prove $\tan(\alpha/2)\tan(\beta/2)\tan(\gamma/2)=r/p$

1 vote

Finding consecutive integers to satisfy the IVT to find roots. Is there a way to do this algebraically, or is it all guess work?

1 vote

Sinusoidal curve average decrease between sections - simple but need help

1 vote

Are derivatives and integrals inverses?

1 vote

Propagation of infections

1 vote
Accepted

Understanding the Fundamental theorem of Calculus in plain english

1 vote
Accepted

Bohr Radius of an atom

1 vote
Accepted

Trigonometric differentiation

1 vote

Killer Integrals: some clever integrals

1 vote

Differentiation of $\sin(2x) + \frac{2}{\sqrt{x}}$