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17 March, 07:49

If x^2=4 then can x only be equal to 2?

(Geometry) true or false?

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Answers (2)
  1. 17 March, 07:50
    0
    This is false!

    X^2 = 4

    X can equal to - 2 or 2

    (2) ^2 = 4

    (-2) ^2 = 4
  2. 17 March, 08:03
    0
    true because two to the second power is two times two and we know two times two = 4
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