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# what is the value of x^2 < 1

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CEO
Joined: 21 Jan 2007
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what is the value of x^2 < 1 [#permalink]  03 Nov 2007, 18:20
what is the value of x^2 < 1
Director
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Re: number line [#permalink]  03 Nov 2007, 18:24
bmwhype2 wrote:
what is the value of x^2 < 1

isnt this just anything between 0 and 1 and between -1 and 0 ?

so 0<x<1 or and -1<x<0

please correct me if i have misunderstood
CEO
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Re: number line [#permalink]  03 Nov 2007, 18:28
beckee529 wrote:
bmwhype2 wrote:
what is the value of x^2 < 1

isnt this just anything between 0 and 1 and between -1 and 0 ?

so 0<x<1 or and -1<x<0

please correct me if i have misunderstood

sqrt(X^2) < sqrt(1)
(plus or minus)X < (plus or minus)1

we have 4 scenarios. why did u pick two of the scenarios
Manager
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for all values between -1 < x < 1
x^2 < 1
Director
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sportyrizwan wrote:
for all values between -1 < x < 1
x^2 < 1

you are right.. i dont know why i didn't include 0
CEO
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CEO
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Re: number line [#permalink]  04 Nov 2007, 15:04
bmwhype2 wrote:
what is the value of x^2 < 1

-1<x<1

same as |x|<1

x<1

or

-x<1> x>-1
Re: number line   [#permalink] 04 Nov 2007, 15:04
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