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Last visit was: 26 Apr 2024, 05:14 |
It is currently 26 Apr 2024, 05:14 |
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Difficulty:
Question Stats:
77% (01:35) correct 23% (01:40) wrong based on 1473 sessions1*2*3*...*(x-1)*
x*(x+1)*(x+2)=(x-1)!*x*(x+1)*(x+2)\). Notice that 1*2*3*...*(x-1)*x*(x+1) is factorial of (x+1), so (x+1)!. Where do you see negative numbers there?
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Hi Generic [Bot],
Here are updates for you:
ANNOUNCEMENTS
Watch earlier episodes of DI series below EP1: 6 Hardest Two-Part Analysis Questions EP2: 5 Hardest Graphical Interpretation Questions
Tuck at Dartmouth
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