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Which one of the following is a quadrati...

Which one of the following is a quadratic equation? a)`5/x-3=x^2` b)`x(x+5)=2` c)`n-1=2n` d)`1/x^2(x+2)=x`

A

`5/x-3=x^2`

B

`x(x+5)=2`

C

`n-1=2n`

D

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

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CHETANA PUBLICATION-Quadratic Equations-EXERCISE
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  2. Out of the following equations, which one is not a quadratic equation?...

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  3. The roots of x^2+kx+k=0 are real and equal. Find K. a)0 b)4 c)0 or 4 d...

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  4. For quadratic equation sqrt 2x^2-5x+sqrt2=0, find the value of the di...

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  5. Which of the following quadratic equations has roots 3, 5? a)x^2-15x+3...

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  6. Out of the following equations, find the equation having the sum of i...

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  7. sqrt 5m^2-sqrt 5m+sqrt 5=0, Which of the following statement is true f...

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  8. One of the roots of equation x^2+mx-5=0 is 2. Find m. a)-2 b)-1/2 c)1/...

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  9. alpha, beta are roots of quadratic equation ax^2+bx+c=0. Then (alpha+b...

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  10. The roots of the quadratic equation y^2-16y+63=0 are a)-9,-7 b)-9,7 c)...

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  11. If the roots of a quadratic equation are real and equal, then Delta mu...

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  12. If one root of quadratic equation kx^2-7x+12=0 is 3, then value of k i...

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  13. If one root of quadratic equation is 1-sqrt3 then the other root is………...

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  14. If the roots of ax^2+bx+c=0 are real and equal then.......a)b^2-4aclt0...

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  15. The value of discriminant of the equation x^2+x+1=0 is…………..a)-4 b)-3 ...

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  16. alpha, beta are roots of quadratic equation such that alpha+beta=-4 a...

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  17. The standard form of quadratic equation x-5/x=3x-7 is……….a)2x^2-8x+7=0...

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  18. What is the nature of roots of quadratic equation: 9x^2-12x+4=0? a)Rea...

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  19. Three times the square of natural number is 363 is written in the math...

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  20. Which of the following is not a quadratic equation? a)-5/3x^2=2x+9 b)(...

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