User Melz

5 votes

2 answers

200 views

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

asked Oct 25, 2019 at 10:39

4 votes

2 answers

145 views

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

asked Jan 2, 2019 at 17:08

3 votes

3 answers

83 views

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

asked Jul 19, 2018 at 20:20

3 votes

3 answers

67 views

Computing the product $xy$

asked Jan 8, 2019 at 14:04

3 votes

1 answer

81 views

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

asked Apr 26, 2020 at 14:27

2 votes

7 answers

3k views

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

asked Dec 22, 2018 at 9:52

2 votes

2 answers

52 views

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

asked Dec 7, 2019 at 10:37

2 votes

1 answer

55 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 $1$?

asked Mar 3, 2020 at 23:39

2 votes

4 answers

59 views

Absolute Value Inequality (another)

asked Jan 13, 2019 at 13:16

2 votes

3 answers

73 views

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

asked Feb 8, 2019 at 17:42

2 votes

4 answers

90 views

Determining $\sin(2x)$

asked Jul 20, 2018 at 14:17

2 votes

3 answers

1k views

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

asked Nov 23, 2018 at 20:23

1 vote

2 answers

87 views

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

asked Apr 26, 2018 at 11:01

1 vote

2 answers

250 views

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

asked Nov 17, 2018 at 15:14

1 vote

2 answers

152 views

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

asked Jan 4, 2019 at 18:39

1 vote

3 answers

1k views

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

asked Dec 18, 2018 at 21:35

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?

asked Nov 27, 2018 at 19:18

1 vote

2 answers

79 views

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

asked Nov 27, 2018 at 20:47

1 vote

2 answers

243 views

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

asked Nov 28, 2018 at 14:40

1 vote

6 answers

125 views

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

asked Feb 9, 2019 at 21:23

1 vote

3 answers

119 views

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

asked Feb 10, 2019 at 18:41

1 vote

3 answers

530 views

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

asked Feb 12, 2019 at 19:21

1 vote

1 answer

180 views

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

asked Jun 19, 2019 at 12:37

1 vote

1 answer

79 views

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

asked Jun 22, 2019 at 12:35

1 vote

1 answer

45 views

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

asked Jul 19, 2019 at 13:17

1 vote

1 answer

153 views

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

asked Aug 14, 2019 at 22:36

1 vote

2 answers

51 views

Evaluating $|A\cup B|$

asked Jan 21, 2019 at 12:13

1 vote

4 answers

285 views

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

asked Feb 3, 2019 at 16:01

1 vote

3 answers

483 views

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

asked Dec 1, 2019 at 10:44

1 vote

0 answers

29 views

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

asked Dec 4, 2019 at 19:33

Stack Exchange Network

70 Questions

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

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

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

Computing the product $xy$

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

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

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

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 $1$?

Absolute Value Inequality (another)

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

Determining $\sin(2x)$

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Evaluating $|A\cup B|$

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

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

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