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Find the roots of the following quadrati...

Find the roots of the following quadratic equations if they exist, by the method of completing the square : `2x^2+x+4=0` .

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PSEB-QUADRATIC EQUATIONS -EXERCISE
  1. Find the roots of the following quadratic equations if they exist, by ...

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

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

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

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  5. Find the roots of the following equations :- 1/(x+4)-1/(x-7)=11/30,x n...

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  6. The sum of the reciprocals of Rehman's ages, (in years) 3 years ago an...

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  7. In a class test, the sum of Shefali's marksin Mathematics and English ...

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

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

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

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

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

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  13. Sum of the areas of two squares is 468 m^2 . If the difference of thei...

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  14. Find the nature of the roots of the following quadratic equations. If ...

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  15. Find the nature of the roots of the following quadratic equations. If ...

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  16. Find the nature of the roots of the following quadratic equations. If ...

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  17. Find the values of k for each of the following quadratic equations, so...

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  18. Find the values of k for each of the following quadratic equations, so...

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  19. Is it possible to design a rectangular mango grove whose length is twi...

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  20. Ls the following situation possible? If so, determine their present ag...

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