Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#186 Re: Help Me ! » Conditional Probabilty Question » 2017-04-17 23:37:27

This question is sort of a paradox, some people give 6 / 11 as the answer., some 12 / 22 as the answer and a horrible book gives 3 / 5.

#193 Re: Maths Is Fun - Suggestions and Comments » 3D Function Grapher » 2017-04-17 01:09:42

Hi;

Tried these

y^2 - x^2

1/(x^2 + y^2)

sin(x*180/pi)-cos(y*180/pi)

sin(x)*cos(y)

All looked okay. Very nice!

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