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`ab x^2+(b^2-a c)x-b c=0`

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VK GLOBAL PUBLICATION-QUADRATIC EQUATIONS-PROFICIENCY EXERCISE Short Answer Questions-II
  1. ab x^2+(b^2-a c)x-b c=0

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  2. Solve: (14)/(x+3)-1=(5)/(x+1),xne-3,-1.

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  3. Solve each of the following quadratic equations: (3)/(x+1)-(1)/(2)=...

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  4. Find the roots of the following quadratic equations by the factorisati...

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  5. Find the roots of the following quadratic equations by the factorisati...

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  6. Find the roots of the following quadratic equations by the factorisati...

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  7. The sum of two numbers is 20 and the sum of their reciprocals is (5)/(...

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  8. The difference of squares of two numbers is 88. If the larger number i...

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  9. The sum of the reciprocals of Rehmans ages, (in years) 3 years ago an...

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

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  11. If the roots of the equation (a^2+b^2)x^2-2(a c+b d)x+(c^2+d^2)=0 are ...

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  12. The difference of two natural numbers is 3 and the difference of th...

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  13. Seven years ago Varuns age was five times the square of Swatis age. ...

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  14. The area of a right angled triangle is 165m^2 . Determine its base and...

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  15. Is it possible to design or rectangular park of perimeter 40 m and are...

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  16. Determine the condition for the roots of the equation ax^(2)+bx+c=0 to...

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  17. Show that the equation 2(a^2+b^2)x^2+2(a+b)x+1=0 has not real roots, w...

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  18. Find the value of k for which the equation x^(2)-2(1+3k)x+7(3+2k)=0 ha...

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  19. Find the roots of the equation: x^2+200x+9975=0

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  20. If 1 is a root of the quadratic equation x^(2)+px-2=0 and the quadrati...

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