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The number of real roots of the equation...

The number of real roots of the equation `|x|^(2) -3|x| + 2 = 0`, is

A

`4`

B

`3`

C

`2`

D

`1`

Text Solution

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The correct Answer is:
A
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ML KHANNA-LOGARITHMS AND SURDS-Problem Set (2) (Multiple choice questions)
  1. The roots of the equation |x^(2)-x-6|=x+2 are

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

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  3. The number of real roots of the equation |x|^(2) -3|x| + 2 = 0, is

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  4. The sum of the roots of equation (x-4)^(2)-8|x-4|+15=0 is

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  5. Root(s) of the equatio 9x^(2) - 18|x|+5 = 0 belonging to the domain of...

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  6. The equation |x-x^(2)-1|=|2x-3-x^(2)| has

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  7. The sum of the real roots of the equation |x-2|^(2)+|x-2|-2=0 is

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  8. The product of real roots of the equation |3x-4|^(2)-3|3x-4|+2=0 is

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  9. The equation sqrt(x+1)-sqrt(x-1)=sqrt(4x-1) has a. no solution b. o...

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  10. The number of the integer solutions of x^(2)+9lt(x+3)^(2)lt8x+25 is

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  11. The solution set of the inequality log(x)((x+3)/(1-2x))gt1 is

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  12. The least positive integer x satisfying |x+1|+|x-4|gt7 is

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  13. Solve sqrt(x+3-4sqrt(x-1))+sqrt(x+8-6sqrt(x-1))=1

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  14. The number of values of x satisfying 1+log(5)(x^(2)+1)gelog(5)(x^(2)+4...

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  15. The number of solutions the equation |x+1|^(log(x+1)(3+2x-x^(2)))=(x-3...

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  16. If log(5)(6+(2)/(x))+log((1//5))(1+(x)/(10))le1, then x lies in

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  17. The quadratic equations Sigma ((x-q)(x-r))/((p-q)(p-r))-1=0 or Sigma (...

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  18. The number of solutions of the equation root3((1+x))+root3((8-x))=3 i...

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  19. The number of solutions of the equation 2^(x)+2^(x-1)+2^(x-2)=5^(x)+5^...

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  20. The number of solutions of the equation 2x^(log(10)x)+3x^(log(10)(1//x...

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