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x-1-x-1-1-




Question Number 114593 by abdullahquwatan last updated on 19/Sep/20
((∣x−1∣)/(∣x∣−1)) ≤ 1
x1x11
Answered by MJS_new last updated on 19/Sep/20
(1) ∣x∣−1≠0 ⇒ x≠±1  (2) ∣x∣−1<0 ⇒ −1<x<1         ∣x−1∣≥∣x∣−1 true ∀x∈R  ⇒ −1<x<1  (3) ∣x∣−1>0 ⇒ x<−1∨x>1         ∣x−1∣≤∣x∣−1 true for x≥1  ⇒ x>1    ⇒ −1<x<1∨x>1
(1)x10x±1(2)x1<01<x<1x1∣⩾∣x1truexR1<x<1(3)x1>0x<1x>1x1∣⩽∣x1trueforx1x>11<x<1x>1
Commented by abdullahquwatan last updated on 20/Sep/20
thanks sir
thankssir

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