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Which of the following are quadratic e...

Which of the following are quadratic equations? `x^2+2sqrt(x)-3=0` (ii) `3x^2-4x+2=0 (iii) 2x^2-2x+4`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
  1. Which of the following are quadratic equations? (i)x^2-6x+4=0 (i...

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

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  3. Which of the following are quadratic equations? x^2+2sqrt(x)-3=0 (ii...

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  4. In each of the following determine whether the given values are solu...

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  5. In each of the following determine whether the given values are solu...

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  6. In each of the following, determine the value of k for which the g...

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  7. If one root of the quadratic equation 2x^2+k x-6=0 is 2, find th...

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  8. Which of the following are quadratic equations? x^2+6x-4=0 (ii) sqr...

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  9. Which of the following are quadratic equations? (i) x-3/x=x^2 (ii) 2...

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  10. Which of the following are quadratic equations? 3x^2-5x+9=x^2-7x+3 ...

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  11. Which of the following are quadratic equations? (i)(x+1/x)^2=3(x+1...

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  12. Which of the following are quadratic equations? (i)16 x^2-3=(2x+5)...

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  13. In each of the following, determine whether the given values are sol...

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  14. In each of the following, determine whether the given values are sol...

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  15. In each of the following, find the value of k for which the given ...

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  16. In each of the following, find the value of k for which the given ...

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  17. Determine, if 3 is a root of the equation given below: sqrt(x^2-4x+...

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  18. The product of two consecutive positive integers is 240. Formulate ...

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  19. The area of a rectangular plot is 528\ m^2 . The length of the p...

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  20. Rohan’s mother is 26 years older than him. The product of their age...

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