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Solve the equation by using formula: ...

Solve the equation by using formula:
` x^(2) - 4x + 2=0 `

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The correct Answer is:
` therefore ` Roots are `2 + sqrt2 or 2- sqrt2`
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OSWAAL PUBLICATION-QUADRATIC EQUATIONS -TOPIC -1 ROOTS OF THE EQUATIONS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Five years ago , Gouri was thrice as old as Ganesh Ten years later Go...

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  2. Solve the equation x^(2) - 12x + 27 =0 by using formula.

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  3. Find the value of the discriminant of the quadratic equation 2x^(2)-4x...

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  4. If ( 3x- 4)/( sqrt(3x)+2) = 2+ ( sqrt(3x)- 2)/(2) , then find the v...

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  5. Solve by using formula method x^(2) - 2ax +( a+1) (a-1) =0

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  6. The length of a rectangular playground is 2 m longer then its breadth...

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  7. Find the roots of the quadratic equation x^(2)+7x+12=0

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  8. Solve x^(2) + 6x - 7=0 by the method of completing the square.

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  9. Solve the equation by using formula: x^(2) - 4x + 2=0

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  10. Solve by using formula : 15 m^(2) - 11m + 2=0

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  11. Solve by using the formula 2y^(2) + 6y =3.

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  12. Solve the equations by using the formula : m^(2) -2m =2.

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  13. The length of a rectangular field is 6 times its breadth. If the area...

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  14. Solve the equations p ^(2) + 1 = 8p ' using the formula.

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  15. Solve for x: 2(x^(2) -1) = x( 1-x)

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  16. Solve the equation x^(2) - 5x+ 3 =0 by using the formula .

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  17. The height of a triangle is 5cm less than the base. If the area of the...

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  18. Solve that ( x- 4) ( x+4)= 6x

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  19. If B = ( sqrt3a^(2))/( 4), Solve for 'a' and also find the value of ...

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  20. Solve the quadratic equations by factorisation method:

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