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Write the discriminant of the followi...

Write the discriminant of the following quadratic equations: `(x-1)(2x-1)=0` (ii) `x^2-2x+k=0,\ \ k in R`

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RD SHARMA-QUADRATIC EQUATIONS-All Questions
  1. Solve for x : 1/(x+1)+2/(x+2)=4/(x+4),\ \ x!=1,\ -2,\ -4

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  2. Write the discriminant of the following quadratic equations: 2x^2-5...

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  3. Write the discriminant of the following quadratic equations: (x-1)(...

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  4. Write the discriminant of the following quadratic equations: sqrt(3...

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  5. In the following, determine whether the given quadratic equations h...

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  6. In the following, determine whether the given quadratic equations h...

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  7. In the following, determine whether the given quadratic equations h...

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  8. In the following, determine whether the given quadratic equations h...

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  9. In the following, determine whether the given quadratic equations h...

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  10. In the following, determine whether the given quadratic equations h...

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  11. Solve for x : (x-1)/(x-2)+(x-3)/(x-4)=3 1/3;\ \ x!=2,\ 4

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  12. Solve for x : 1/x-1/(x-2)=3,\ \ x!=0,\ 2

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  13. Solve for x : x+1/x=3,\ \ x!=0

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  14. Solve for x : (16)/x-1=(15)/(x+1),\ \ x!=0,\ -1

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  15. Find the values of k for which the equation x^2-4x+k=0 has disti...

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  16. Show that the equation x^2+a x-4=0 has real and distinct roots f...

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  17. The positive value of k for which the equation x^2+k x+64=0 and x^2-8x...

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  18. Find the values of k for which the given equation has real roots...

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  19. Find the values of k for which the given equation has real roots...

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  20. Find the values of k for which the given equation has real roots...

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