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I am a prime number. Double of myself is equal to the square if myself. Which number am I ?

+2 votes
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I am a prime number. Double of myself is equal to the square if myself. Which number am I ?
posted Mar 2 by Amarvansh

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3 Answers

+1 vote

2X = X^2
X^2 - 2X = 0
X(X - 2)=0
X = 0, 2
So the answer is 2 (because its a prime) and not 0.

answer Mar 2 by Tejas Naik
0 votes

2 is also prime number
when, we double this is equal to 4
if, we square its is equal to 4
so, required answer is 2

answer Mar 3 by Parvind Kumar Singh
0 votes

answe----------------- two

answer Mar 8 by Gangadharan Kv
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