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Solve each of the following equations. ...

Solve each of the following equations.
1. Solve `x^(2) +x+1=0`

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OSWAAL PUBLICATION-SOLVED PAPER 2020-1-EXERCISE
  1. Find the radius of the circle in which a central angle of 60^(@) inter...

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  2. Prove that sin 2x=(2 tan x)/(1+tan^(2)x)

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  3. Solve each of the following equations. 1. Solve x^(2) +x+1=0

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  4. The marks obtained by a student of class XI in the first and second te...

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  5. Find the distance of the point (3,-5) from the line 3x -4y -26 =0

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  6. Find the equation of the line parallel to the line 3x -4y + 2=0 and pa...

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  7. Find the co-ordinates of the point P which divides the line segment jo...

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  8. Write the contrapositive and converse of the following statements. I...

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  9. Write the mean of the given data : 6,7,10,12,13,4,8,12 ?

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  10. A letter is chosen at random from the word "ASSASSINATION" . Find the ...

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  11. A letter is chosen at random from the word 'ASSASSINATION' Find the pr...

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  12. In a survey of 400 students in a school, 100 were listed as taking app...

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  13. Let f(x)=x^2 and g(x)=2x+1be two real valued functions,Find (i)(f+g)(x...

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  14. Let f(x)=x^2 and g(x)=2x+1be two real valued functions,Find(ii) (f-g)(...

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  15. Let f(x)=x^2" and "g(x)=2x+1 be two real values functions, find (fg)...

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  16. Express the complex number (-1+isqrt3) in polar form ?

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  17. find general solution sin x + sin 3x + sin 5x =0

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  18. Find r, if 5""^(4)P(r)=6""^(5)P(r-1)

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  19. Find the middle term in the expansions of (3 - x^3/6)^7

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  20. Insert five numbers between 8 and 26 such that the resulting sequence ...

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