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Melz
  • Member for 4 years, 2 months
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5 votes
2 answers
190 views

Compute $\lim_{x\rightarrow 0 }\biggr ( \dfrac{1}{x}\ln (x!)\biggr )$

4 votes
2 answers
141 views

How does one evaluate the multiplication $f(2)\cdot f(3)\cdot f(4)\cdots f(15)$ by formulating?

3 votes
3 answers
77 views

Finding the value of $|DB| \cdot |DC|$

3 votes
3 answers
62 views

Computing the product $xy$

3 votes
1 answer
77 views

Prop: $G \subseteq X$ is open in $X$ $\implies$ $cl(G\bigcap cl(A)) = cl(G\bigcap A)$ for every $A \subseteq X$.

2 votes
7 answers
2k views

Computing $\sqrt[4]{28+16 \sqrt 3}$

2 votes
2 answers
50 views

Prop: there is $\mathbf{y} \in R^k$ such that $\mathbf{x} \cdot \mathbf{y} = 0$

2 votes
1 answer
53 views

How do I prove $\sum_{i=1}^n \frac{i-1}{n}(\sin^{-1}(\frac{i}{n})-\sin^{-1}(\frac{i-1}{n}))$ converges to $1$?

2 votes
4 answers
59 views

Absolute Value Inequality (another)

2 votes
3 answers
63 views

Evaluate $\frac{2a}{a^2-4} - \frac{1}{a-2}-\frac{1}{a^2+2a}$

2 votes
4 answers
82 views

Determining $\sin(2x)$

2 votes
3 answers
438 views

How do I simplify $\frac{\sin(2x)}{1-\cos (2x)}$?

1 vote
2 answers
86 views

$f(x) = \frac{x^3}{6}+\frac{1}{2x}$, $\int^{3}_{1} \sqrt{1 +[f'(x)]^2}\, dx = ?$

1 vote
2 answers
61 views

How do you evaluate the tension force if the coefficient of friction between the objects K and L is $0.6$?

1 vote
2 answers
112 views

How could possibly that two functions are equal to each other?

1 vote
3 answers
1k views

How do we solve for all values of $x$?

1 vote
2 answers
27 views

In how many ways can we split $6$ toys such that John will receive $2$, Carl and Michael will receive at least one toy?

1 vote
2 answers
73 views

Is it mathematically right to convert triangle it to such a circle like that?

1 vote
2 answers
211 views

Is it impossible to compute $\frac{11\sin(52)}{\sin(116)} = ? $ without knowing the exact value of $\sin(52)$ and $\sin(116)$

1 vote
6 answers
123 views

How do we factor out $x^2 - x -2$ in this expression?

1 vote
3 answers
115 views

Evaluate the values of $x$ in $\sqrt{2x-5} = \sqrt[3]{6x-15}$

1 vote
3 answers
475 views

How to compute remainder of division of $P(x)$ by $x^2 -3x+2$? [duplicate]

1 vote
1 answer
101 views

How do we solve for x using Euler Identity in $\tan(2x) = -1$?

1 vote
1 answer
79 views

How do we solve $(w^2-w^{-2})(2w^2+2w^{-2} -1)-\sqrt{3}i(w^2+w^{-2})=0$?

1 vote
1 answer
42 views

Trying to prove $\lim_{x \to a} f(x) g(x) = L_1 L_2$

1 vote
1 answer
54 views

Compute how long it takes to complete the task when the machines A and B work together.

1 vote
2 answers
51 views

Evaluating $|A\cup B|$

1 vote
4 answers
219 views

Evaluate the constant term of $P(x-1)$ if the remainder of the division of $P(x)$ by $x-3$ is $18$ and $P(x+1) = (x^2 -4)Q(x)+3ax+6$

1 vote
3 answers
258 views

If $p$ is a rational and $x$ is irrational, prove that $p+x$ and $px$ are irrational.

1 vote
0 answers
28 views

Prop: Suppose $\alpha$ is lower bound of $E$ and $\beta$ is an upper bound of $E$. Then, $\alpha \leq \beta$