List questions from algebra-precalculus

Published on 09 Apr 2026 - 8:59

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Prove that there is a solution

Published on 14 Apr 2026 - 5:26

977

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The product of $1-e^{ix}$ and $1-e^{-ix}$

Published on 13 Apr 2026 - 17:15

67

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Need help solving for a variable.

Published on 11 Apr 2026 - 12:16

55

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Which value of $\pi$ shall I plug in this formula $\sqrt{x} + 3 \tan x$ if $x \in [0, \frac{\pi}{4}]$?

Published on 16 Apr 2026 - 3:00

56

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Finding the ratio of $\frac{x}{z}$

Published on 12 Apr 2026 - 15:15

41

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range of $2$ variable function

Published on 14 Apr 2026 - 14:51

1.9k

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Find minimum score from the average score

Published on 17 Apr 2026 - 14:44

148

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Question with the proof of irrationality of $\sqrt{2}$

Published on 13 Apr 2026 - 16:10

1.1k

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Prove that for every positive rational number $r$ where $r^2<2$, there must be another rational number $r+h$, such that $(r+h)^2<2$

Published on 16 Apr 2026 - 6:11

288

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Finding how many pages john read

Published on 12 Apr 2026 - 7:03

2.8k

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Jensen inequality on square root

Published on 11 Apr 2026 - 16:24

129

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Parametrizing $(2x+y)^2(x+y)=x$

Published on 09 Apr 2026 - 1:55

88

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How many pages did Henry read in the first day? (Can you show a method?)

Published on 13 Apr 2026 - 12:38

63

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The value of Henry's sisters are $4$ more than his brothers. How many more are Marie's (who is Henry's sister) sisters than her brothers?

Published on 15 Apr 2026 - 22:34

List Question

Rearranging Equations to Obtain Velocity after a One-Dimensional Collision

Prove that there is a solution

The product of $1-e^{ix}$ and $1-e^{-ix}$

Need help solving for a variable.

Which value of $\pi$ shall I plug in this formula $\sqrt{x} + 3 \tan x$ if $x \in [0, \frac{\pi}{4}]$?

Finding the ratio of $\frac{x}{z}$

range of $2$ variable function

Find minimum score from the average score

Question with the proof of irrationality of $\sqrt{2}$

Prove that for every positive rational number $r$ where $r^2<2$, there must be another rational number $r+h$, such that $(r+h)^2<2$

Finding how many pages john read

Jensen inequality on square root

Parametrizing $(2x+y)^2(x+y)=x$

How many pages did Henry read in the first day? (Can you show a method?)

The value of Henry's sisters are $4$ more than his brothers. How many more are Marie's (who is Henry's sister) sisters than her brothers?

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