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Which of the following is not a quadrati...

Which of the following is not a quadratic equation?

A

`3x-x^(2)=x^(2)+5`

B

`(x+2)^(2)=2(x^(2)-5)`

C

`(sqrt(2)x+3)^(2)=2x^(2)+6`

D

`(x-1)^(2)=3x^(2)+x-2`

Text Solution

Verified by Experts

The correct Answer is:
C
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RS AGGARWAL-QUADRATIC EQUATIONS -Test Yourself
  1. Which of the following is a quadratic equation?

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  2. Which of the following is a quadratic equation ?

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  3. Which of the following is not a quadratic equation?

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  4. If x=3 is a solution of the equation 3x^(2)+(k-1)x+9=0 then k=?

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  5. If one root of the equation 2x^(2)+ax+6=0 is 2 then a=?

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  6. The sum of the roots of the equation x^(2)-6x+2=0 is

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  7. If the product of the roots of the equation x^(2)-3x+k=10 is -2 then t...

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  8. The ratio of the sum and product of the roots of the equation 7x^(2)-1...

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  9. If one root of the equation 3x^(2)-10x+3=0" is "(1)/(3) then the other...

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  10. If one root of 5x^(2)+13x+k=0 be the reciprocal of the other root then...

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  11. If the sum of the roots of the equation kx^(2)+2x+3k=0 is equal to the...

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  12. The roots of a quadratic equation are 5 and -2. Then, the equation is

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  13. If the sum of the roots of aquadratic equation is 6 and their product...

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  14. If alpha and beta are the roots of the equation 3x^(2)+8x+2=0 then ((1...

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  15. The roots of the equation ax^(2)+bx+c=0 will be reciprocal of each oth...

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  16. If the roots of the equation ax^(2)+bx+c=0 are equal then c=?

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  17. If the equation 9x^(2)+6kx+4=0 has equal roots then k=?

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  18. If the equation x^(2)+2(k+2)x+9k=0 has equal roots then k= ?

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  19. If the equation 4x^(2)-3kx+1=0 has equal roots then k=?

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  20. The roots of ax^(2)+bx+c=0, ane0 are real and unequal, if (b^(2)-4ac)

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