Interesting problem

Algebra Level 1

I'm thinking of a non-zero number. If its square equals to double of itself, what is the value of that number?

23 15 14 2

Ketan Angre by Ketan Angre , 25, India

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3 solutions

2 + 2 = 4 = 2 × 2 2+2=4=2\times2 .

1 Helpful 0 Interesting 0 Brilliant 0 Confused
Katie Mor
Aug 10, 2015

2 2 2^2 equals 2+2 so the answer is 2.

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Mohit Gupta
Aug 9, 2015

Well this question would have been appreciable if it was not an mcq

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