Category Archives: Uncategorized

IB HL Related Rate Ferris Wheel

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What surface does z = r represents in cylindrical coordinates ?

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Level Curve slicing of a paraboloid

https://www.geogebra.org/3d/tbxpqrgu

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Pascal Contest 2016 Question 21 (Squirrel walking along the grid lines on 3 faces)

Grid lines are drawn on three faces of a rectangular prism as shown. A squirrel walks from P to Q along the edges closer to Q and farther away from P. Ho many different path from P to Q can … Continue reading

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AoPS Rationalizing Fraction

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Why ASS or SSA is not sufficient criteria for congruency ?

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11 pawns, 11 moves solution

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If n^3+3 is odd, then n is even

if is odd then is odd.

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Q2 Q15 of 30th Math and Logic Games Quebec (Consecutive even numbers)

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IB SL Find the least positive value of x for which cos(x/2+pi/3) =1/sqrt(2)

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