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Which of the following are quadratic ...

Which of the following are quadratic equations? `(x+1/x)^2=3(x+1/x)+4` (ii) `(2x+1)(3x+2)=6(x-1)(x-2)` (iii) `x+1/x=x^2,\ \ x!=0`

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RD SHARMA-QUADRATIC EQUATIONS-All Questions
  1. Which of the following are quadratic equations? x-3/x=x^2 (ii) 2x^2...

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

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

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

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

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  6. In each of the following, determine whether the given values are so...

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  7. In each of the following, find the value of k for which the give...

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  8. In each of the following, find the value of k for which the give...

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

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

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

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

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  13. A train travels a distance of 480 km at a uniform speed. If the spe...

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  14. The product of two consecutive positive integers is 306. Form the q...

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  15. John and Jivanti together have 45 marbles. Both of them lost 5 marb...

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  16. A cottage industry produces a certain number of toys in a day. The ...

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  17. The height of a right triangle is 7cm less than its base. If the hy...

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  18. A train travels 360 km at a uniform speed. If the speed had been 5k...

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  19. Solve the following quadratic equations by factorization method: x^...

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  20. Solve the following quadratic equations by factorization method: 1/...

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