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Find the roots of the following quadrati...

Find the roots of the following quadratic equations, if they exist, by the method of completing the square: `2x^2 +x-4=0`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
  1. Find the roots (if they exist) by completing the square: 2x^2-7x+3=...

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  2. Find the roots (if they exist) by completing the square: 3x^2+11 x+...

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  3. Find the roots of the following quadratic equations, if they exist, by...

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  4. Find the roots (if they exist) by completing the square: 2x^2+x+4=0

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  5. Find the roots (if they exist) by completing the square: sqrt(2)x^2...

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  6. Find the roots (if they exist) by completing the square: x^2-(sqrt(...

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  7. Find the roots (if they exist) by completing the square: x^2-4a x+4...

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  8. Write the discriminant of the following quadratic equations: x^2-4x...

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  9. Write the discriminant of the following quadratic equations: sqrt(3...

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  10. In the following, determine whether the given quadratic equations h...

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  11. In the following, determine whether the given quadratic equations ha...

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  12. In the following, determine whether the given quadratic equations ha...

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  13. Solve for x : (x-1)/(x+2)+(x-3)/(x-4)=(10)/3,\ \ x!=-2,\ 4

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  14. Solve for x : 1/(x+1)+2/(x+2)=4/(x+4),\ \ x!=1,\ -2,\ -4

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  15. Write the discriminant of the following quadratic equations: 2x^2-5...

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  16. Write the discriminant of the following quadratic equations: (x-1)(...

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  17. Write the discriminant of the following quadratic equations: sqrt(3...

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  18. In the following, determine whether the given quadratic equations ha...

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  19. In the following, determine whether the given quadratic equations ha...

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  20. In the following, determine whether the given quadratic equations ha...

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