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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?


To: Bonefish who wrote (1013223)4/25/2017 5:24:49 PM
From: Taro  Read Replies (1) | Respond to of 1573988
 
No trick question, square root of 4 is +2 (by definition).

While both +2 and -2 squared = 4, the square root of 4 is +2 only.

It's amazing, how many people even with a reasonable math background don't know or maybe just forgot this.