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Ben Brawn commented on Solve equations which include a single odd power (e.g. x^odd=blah) 13 hours ago

negative number to a fractional power returns a complex number, and since I didn't want students to type in root(-3,3) etc I have forced the arguments to be positive.

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Ben Brawn on Solve equations which include a single odd power (e.g. x^odd=blah) 13 hours ago

Gave some feedback: Ready to use

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Ben Brawn on Solve equations which include a single odd power (e.g. x^odd=blah) 14 hours ago

Gave some feedback: Has some problems

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Ben Brawn on Pokémon Go - Best type to defeat an opponent 2 months ago

Gave some feedback: Ready to use

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Ben Brawn on Trigonometry: Right-angled 2 months, 3 weeks ago

Gave some feedback: Has some problems

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Ben Brawn on Trigonometry: Right-angled 2 months, 3 weeks ago

Gave some feedback: Doesn't work

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Ben Brawn commented on Completing the square 3 months ago

I believe pattern should be (`+-$n`? * $v + `+-$n)^2 + `+-$n

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Ben Brawn on Completing the square 3 months ago

Gave some feedback: Has some problems