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# Are you a Genius, then prove it???

If you are a genius, you can solve it easily.

Use three 9's in a mathematical expression such that it forms the number one. You are not allowed to divide or multiply them.

Note by Yashasvini Sharma
3 years, 5 months ago

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$$9^{9-9}$$. I guess I'm a brilliant genius. :D

- 3 years, 5 months ago

yeah..that seems to be plausible

- 3 years, 5 months ago

9^{9-9}

- 2 years, 4 months ago

[log99.9]

- 3 years ago

2) sgn (999)

- 3 years, 5 months ago

1) sgn (9+9+9)

- 3 years, 5 months ago

9^(9-9), lol im a genius :P

- 3 years, 5 months ago

great, genius people

- 3 years, 5 months ago

9^{9-9}

- 3 years, 5 months ago

i am a budding genius. :-p

- 3 years, 5 months ago

|Log99.9|

- 3 years ago