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Find the roots of the quadratic equation...

Find the roots of the quadratic equation by applying the quadratic formula.
`2x^(2) + x - 4 = 0`

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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-EXERCISE
  1. Find the roots of the following quadratic equations, if they exist. ...

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  2. Find the roots of the following quadratic equations, if they exist. ...

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  3. Find the roots of the quadratic equation by applying the quadratic for...

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  4. Find the roots of the quadratic equation by applying the quadratic for...

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  5. Find the roots of the quadratic equation by applying the quadratic for...

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  6. Find the roots of the quadratic equation by applying the quadratic for...

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  7. Find the roots of the following equations: x-(1)/(x)=3, x ne 0

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  8. Find the roots of the following equations : 1/(x + 4) - 1/(x -7) = 1...

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  9. The sum of the reciprocals of Rehman ages, (in years) 3 years ago and ...

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  10. In a class test, the sum of Moulika’s marks in Mathematics and English...

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  11. The diagonal of a rectangular field is 60 metres more than the shorter...

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  12. The difference of squares of two numbers is 180. The square of the sma...

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  13. A train travels 360 km at a uniform speed. If the speed had been 5 km/...

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  14. Two water taps together can fill a tank in 9 3/8 hours. The tap of lar...

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  15. An express train takes 1 hour less than a passenger train to travel 13...

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  16. Sum of the areas of two squares is 468 m^(2) If the difference of thei...

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  17. Sum of the areas of two squares is 468 m^(2). If the difference of the...

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  18. A stone is thrown vertically upwards with an initial velocity of 10ms^...

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  19. If a polygon of 'n' sides has 1/2 n (n - 3) diagonals. How many sides ...

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  20. Find the discriminant of the quadratic equation2x^(2) - 4x + 3 = 0and ...

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