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Question Number 67687 by Rio Michael last updated on 30/Aug/19

find the range of values of ∣((x^2 −9)/3_ )∣= ((9−x^2 )/3)

findtherangeofvaluesof∣x2−93∣=9−x23

Commented by mr W last updated on 30/Aug/19

LHS≥0 ⇒9−x^2 ≥0 ⇒x^2 ≤9 ⇒−3≤x≤3 9−x^2 ≤9 ((9−x^2 )/3)≤3 ⇒0≤((9−x^2 )/3)≤3

LHS⩾0⇒9−x2⩾0⇒x2⩽9⇒−3⩽x⩽39−x2⩽99−x23⩽3⇒0⩽9−x23⩽3

Commented by Rio Michael last updated on 30/Aug/19

sir is it LHS <0 or LHS ≥0?

sirisitLHS<0orLHS⩾0?

Commented by mr W last updated on 30/Aug/19

LSH=∣...∣≥0

LSH=∣...∣⩾0

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