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Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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Trig substitution.. Please HELP !
by qzack96
Help Me !
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2009-07-30 03:07:16
by riad zaidan
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