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In each of the following determine whether the given values are solution of the given equation or not: `3x^2-2x-1=0,\ \ x=1` (ii) `6x^2-x-2=0,\ \ x=-1//2,\ \ x=2//3`

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In each of the following, determine whether the given values are solutions of the given equation or not: x^2-3x+2=0, x=2, x=-1 (ii) x^2+x+1=0, x=0, x=1 (iii) x^2-3sqrt(3)x+6=0, x=sqrt(3), x=-2sqrt(3) (iv) x+1/x=(13)/6, x=5/6, x=4/3

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In the following,determine the set of values of k for which the given quadratic equation has real roots: 2x^(2)-5x-k=0 (ii) kx^(2)+6x+1=0

In the following,determine the set of values of k for which the given quadratic equation has real roots: 2x^(2)+3x+k=0 (ii) 2x^(2)+kx+3=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) x^2+...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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