a7m6atalynashja a7m6atalynashja

02-09-2016
Mathematics

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solve |x|<6 a. {-6, 6} b. {x|x> -6 and x< 6} c. {x|x< -6 or x< 6}

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dalendrk dalendrk

02-09-2016

|x| < 6 ⇔ x < 6 ∧ x > -6 ⇒ {x| x > -6 and x < 6}

Answer: b.

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