Algific

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Pre-med

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68 Questions

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8	Why isn't math on the sine of angles the same as math on the angles in degrees?
6	Books or site/guides about calculations by hand and mental tricks?
4	Simple proof; Show that $(4^n - 1)$ is divisible by 3 (Guided proof task)
4	The probability that 25 people do not have the same birthday
4	Is a linear tranformation onto or one-to-one?

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704 Reputation

+5	Another limit task, x over ln x, L'Hôpital won't do it?
+5	Another limit task, I've multiplied by the conjugate, now what?
+5	Books or site/guides about calculations by hand and mental tricks?
+5	Simple proof; Show that $(4^n - 1)$ is divisible by 3 (Guided proof task)

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2 Answers

votes activity newest

1	Lottery probability, 7 out of 34. Probability of 5 out of 7?
0	Numbers too large for my calculator, probability. Old calculator or should it be done another way?

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1 probability × 12	0 geometry × 4
0 algebra-precalculus × 24	0 physics × 3
0 calculus × 15	0 calculator × 3
0 trigonometry × 7	0 proof-writing × 2

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