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The set of all real numbers x for which ...

The set of all real numbers x for which `x^2-|x+2| +x gt 0` is

A

`(-oo,-2) cup (2,oo)`

B

`(-oo,-sqrt2) cup (sqrt2,oo)`

C

`(-oo,-1) cup (1,oo)`

D

`(sqrt2,oo)`

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS -Exercise -2 : Concept Applicator
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  3. The value of lambda for which the sum of squares of roots of the equat...

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  4. The set of all real numbers x for which x^2-|x+2| +x gt 0 is

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  5. If alpha,beta are the roots of the equation ax^2+ bx +c =0, then alp...

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  7. Solve: x^(2) + 2 = 0

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  9. If the cube roots of unity are 1,w w^2,then the roots of the equation ...

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  12. If alpha and beta are the roots of the equation x^2+px+(3p)/4=0 such t...

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  15. If one root of the equations ax^(2)+bx+c=0 and bx^(2)+cx+a=0, (a, b, c...

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  16. State true or false for the following. The inequality |z - 4| lt ...

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  20. Consider f(x)=x^2-3x+a+1/a, a in R-{0}, such that f(3) gt 0 and f(2) l...

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