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N. Bar
  • Member for 3 years, 4 months
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15 votes
Accepted

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

3 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

3 votes

Solving a maximum minimum problem

3 votes

Calculating limit approaches inifnity having infinite terms

3 votes
Accepted

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

3 votes
Accepted

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

2 votes

logic - natural language to symbolic form

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 $x^2-9$?

1 vote
Accepted

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

1 vote

Killer Integrals: some clever integrals

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

Sinusoidal curve average decrease between sections - simple but need help

1 vote

Are derivatives and integrals inverses?

1 vote
Accepted

Is it possible to turn a list of whole numbers in to a sine graph?

1 vote

How can I identify global extremum given only the graph of the first derivative?

1 vote

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

1 vote

Long Division in Fractions

1 vote

Correctness of this grade 9 Math quiz

1 vote

Prove that the sign of a function is the same

1 vote
Accepted

Trigonometric differentiation

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

deduction proof

1 vote
Accepted

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

1 vote

Symbolizing "somebody likes everybody bob likes"

1 vote

Riddle on implication