pbuk's latest activity
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Ppbuk replied to the thread B How does the Riemann Hypothesis/Riemann Zeta function even work?.Link: https://www.3blue1brown.com/lessons/zeta
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Ppbuk reacted to TensorCalculus's post in the thread B How does the Riemann Hypothesis/Riemann Zeta function even work? with
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3Blue1Brown has an excellent video on it that gives a high level overview without needing much advanced mathematics (a 12 year old was... -
Ppbuk replied to the thread Geometry: Similar Shapes.No, far from being a 'tried and true technique', undermining a pupil's confidence by setting trick questions is bad practice. From the...
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Ppbuk replied to the thread Geometry: Similar Shapes.Edit: I have just realised that this is Q.22 from Edexcel Maths Paper 1 November 2017. I'm off to read the examiner's report. They...
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PAnd that purpose seems to me to be malicious. Is this a restatement of the parental admonition to "do as I say, not as I do": "do as I...
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Ppbuk replied to the thread Suggestion Suggest "Informative" feedback reaction icon change away from the latest "pink brain" emoticon.Bump for @Greg Bernhardt: are these overlapping icons intentional?
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Ppbuk replied to the thread Geometry: Similar Shapes.You haven't got yourself in a muddle, it is a trick question and you are in a muddle because you haven't spotted the trick. I'm not...
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Ppbuk replied to the thread Understanding Brent's root finding method.According to p.50 of Brent's original publication (it is available on archive.org): "practical tests show that this [would slow down]...
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PI would replace step 1 with laboratory exercises. You can learn more about voltage and current with a multimeter than with pictures. This ^