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The quadratic equations having the roots...

The quadratic equations having the roots `(1+ sqrt2) and (1- sqrt2) ` is

A

`x^(2) +2x+ 1=0 `

B

` x^(2) + 2x -1=0 `

C

` x^(2) - 2x -1=0 `

D

` x^(2) - 2x+1=0 `

Text Solution

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The correct Answer is:
c
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OSWAAL PUBLICATION-QUADRATIC EQUATIONS -TOPIC -2 Relation between Roots and its Coefficients and Formation of Equations (MULTIPLE CHOICE QUESTIONS
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  3. The quadratic equations having the roots (1+ sqrt2) and (1- sqrt2) is

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  4. x+ (1)/(x) =3 is in the forms of:

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  5. Which one of the following in not a pure quadratic equations?

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  6. If a and b are the roots of the equations x^(2) - 5x+ 7 =0, then valu...

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  7. The sum of a number and twice its square is 78. The correct form is it...

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  8. The sum of the roots of the quadratic equations 2x^(2) = 6x- 5 is:

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  9. The quadratic equations whose roots are 1 and -1 is:

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  10. In a quadratic equations ax^(2) + bx+ c=0 , If a=0 then it become...

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  11. The sum of a number and its square is 42. It represent the equations

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  12. When 2m ^(2) =2-m is written in the standard form, then quadratic e...

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  13. If m and n are roots of a quadratic equation ,then the standard form o...

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  14. If m and n are roots of equations 2x^(2) - 6x +1=0 , then the value...

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  15. Sum of a number and its reciprocal is 5(1)/(5). Then the required equ...

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  16. In the equations ax^(2) +bx +c=0 , if b=0 then the equations.

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  17. The length of a rectangle is 4 cm more then the breadth. The area is 6...

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  18. If the sum of the roots of a quadratic equations is -5 and the product...

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  19. The product of the roots of the equations x^(2) + 5x+ (k+ 4) =0 i...

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  20. The quadratic equations among the following is :

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