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Tally

The current tally is 6.

The Question of the Day

How many times can you subtract 5 from 25? Think carefully.

Previous Solution

Note that (3 - sqrt 5)(3 + sqrt 5)= 9-5 = 4. Thus x times (3+sqrt 5 )/2 = 1, so x+1/x = 3. Squaring both sides, we obtain the equation x^2+2+x^-2= 9. So, x^2 + x^-2 = 7. Squaring both sides again, we find that x^4+2+x^-4=49, so x^4+x^-4=47. Squaring both sids one last time, we find that x^8+2+x^-8 = 2209, so x^8+1/x^8 = 2207.

It was not an irrational number! YAY!

Scoreboards

1. Blueeighthnote: 1825 points (2 achvmt pkgs)

2. TimBluesWin: 625 points (1 achvmt pkg)

3. Imamadmad: 230 points (1 achvmt pkg)

4. 69.235...: 200 points (1 achvmt pkg)

5. Julianthewiki: 100 points (1 achvmt pkg)

6. Zombiebird4000: 20 points (1 achvmt pkg)

7. Supermario3459: 15 points (1 achvmt pkg)

8. Wildoneshelper: 10 points (1 achvmt pkg)

9. Emmaelise401: -- points (There is no penalty for guessing!)

Achievements

Currently found achievements.

1. Quick Thinker! (+10 points) - Awarded for posting an answer before I write "Please leave your answers here." FIRST FOUNDED BY BLUEEIGHTHNOTE


2. RARE: Leaderboards Expert! (+300 points) - Awarded for being 1st place on the leaderboards for 30+ days. FIRST FOUNDED BY BLUEEIGHTHNOTE

3. RARE: More than a Millenium! (+100 points) - Awarded for being first in the leaderboards and scoring more than 1000 points from the runner-up. FIRST FOUNDED BY BLUEEIGHTHNOTE

Really? Only three?! And all the rare ones are going to be found first?

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