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JThe formula is (a - b)^2 = a^2 - 2ab + b^2. For the following equation, why does the second term (-1) not get put into the formula as a...
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TTed replied to the thread Calculus Exam Preparation: Complete Study Guide.I've approved this thread if the poster wishes to contribute further useful study guide information, but have removed unsolicited links...
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Trigonometric Derivatives d/dx[sin(x)] = cos(x) d/dx[cos(x)] = -sin(x) d/dx[tan(x)] = sec²(x) d/dx[csc(x)] = -csc(x)cot(x) d/dx[sec(x)]... -
Dr.Peterson replied to the thread Probability.Please show us what you have tried, and where you are stuck; we don't just solve problem for you, but with you. Also, are "you" male or... -
K“Mr. Khoa has devised a new method for giving bonus points to students in his math class as follows: He randomly selects 4 male...
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Ffresh_42 replied to the thread Bath filling problem.I was taught this subject as three methods of solving linear equations: substitution, addition, and one I have forgotten the name of and...
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Ccohen27 replied to the thread Bath filling problem.Dear Fresh_42, I'll try and make sense of it. Can I ask the best way to begin learning and manipulating linear equations for a complete...
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K\begin{array}{lll} a+b&=\dfrac{1}{4}\\[8pt] a+c&=\dfrac{1}{5}\\[8pt] b&=2c \end{array} The first step was to plug in b from (3) into...
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Ffresh_42 replied to the thread Bath filling problem.\begin{array}{lll} a+b&=\dfrac{1}{4}\\[8pt] a+c&=\dfrac{1}{5}\\[8pt] b&=2c \end{array} The first step was to plug in b from (3) into...
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CDear Colleagues, I have been reading David Acheson - 'The Spirit of Mathematics'. How long would it take for C to fill the bath alone...
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AYes, I second that notion.
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All - I am discussing the possibility of migrating the full forum to a new domain hosted by a third-party to continue operations. That... -
When you use a dictionary, be sure to look beyond one-word "definitions": https://www.dictionary.com/browse/interrupt 3. to stop (a... -
Dr.Peterson replied to the thread economic article.When you use a dictionary, be sure to look beyond one-word "definitions": https://www.dictionary.com/browse/interrupt 3. to stop (a...
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I don't under the meaning of interrupt in this article: https://www.cnbc.com/2025/11/04/ftx-sam-bankman-fried-appeal-sbf.html what is...
