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If `x+iy = (3)/(2+costheta+ isintheta) ` prove that `x^(2)+y^(2)=4x-3`

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PREMIERS PUBLISHERS-MODEL QUESTION PAPER -1-Part -IV
  1. By using Gaussian elimination method, balance the chemical reaction eq...

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  2. Solve : 6x^(4)-35x^(3)+62x^(2)-35x+6=0

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  3. If x+iy = (3)/(2+costheta+ isintheta) prove that x^(2)+y^(2)=4x-3

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  4. The arch of a bridge is the shape of a semi ellipse having a horizonta...

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  5. If u =tan^(-1)((x ^(4) +y ^(4))/(x ^(2)-y ^(2))) show that x (delu)/(d...

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  6. Find the area between the curve y=x^2-x-2,x axis and the lines x=-2 an...

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  7. A sphere is made of ice having radius 10 cm. Its radius decreases from...

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  8. A sphere is made of ice having radius 10 cm. Its radius decreases from...

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  9. If a discrete random variable can take only the values 0,1,2,3, the p...

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  10. If a discrete random variable can take only the values 0,1,2,3, the p...

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  11. If a discrete random variable can take only the values 0,1,2,3, the p...

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  12. If a discrete random variable can take only the values 0,1,2,3, the p...

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  13. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  14. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  15. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  16. Let S=Q-(1) and is defined in S as a ** b =a+b-ab for all a,b, in G. V...

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  17. Let S=Q-(-1) and is defined in S as a ** b =a+b-ab for all a,b, in G. ...

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  18. At what points on the curve x^(3) - 12x +18=0 the tangent is parallel ...

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  19. At what points on the curve x^(2)+y^(2) - 2x -4y+1=0 the tangent is pa...

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  20. Show that the lines vec r = hati + hatj + t(hati - hatj +3hatk) and ve...

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