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Which of the following are quadratic equ...

Which of the following are quadratic equations?
`x^(2)+2x+11=0`

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The correct Answer is:
It is a quadratic equation
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CHETAN PUBLICATION-QUADRATIC EQUATIONS-PROBLEM SET 2
  1. Which of the following are quadratic equations? x^(2)+2x+11=0

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  2. Which of the following are quadratic equations? x^(2)-2x+5=x^(2)

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  3. Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

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  4. One of the roots of quadratic equation 2x^(2)+kx-2=0 is -2, find k.

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  5. Solve the following quadratic equations: (2x+3)^(2)=25

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  6. Solve the following quadratic equations: x^(2)-(3x)/(10)-1/(10)=0

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  7. Solve the following quadratic equations : 1/(x+5)=1/x^(2)

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  8. Solve the following quadratic equations : m^(2)+5m+5=0

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  9. Solve the following quadratic equations : 5m^(2)+2m+1=0

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  10. Solve the following quadratic equations : x^(2)-4x-3=0

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  11. Find the value of discriminant for each of the following equations. ...

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  12. Find the value of discriminant for each of the following equations. ...

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  13. Find the value of discriminant for each of the following equations. ...

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  14. Determine the nature of roots for each of the quadratic equations. 3...

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  15. Determine the nature of roots for each of the quadratic equations. s...

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  16. Determine the nature of roots for each of the quadratic equations. m...

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  17. Find m, if the quadratic equation (m-12)x^(2)+2(m-12)x+2=0 has real an...

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  18. Two roots of quadratic equations are given, frame the equation. 10 a...

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  19. Two roots of quadratic equations are given, frame the equation. 1-3s...

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  20. Two roots of quadratic equations are given, frame the equation. 0 an...

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