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Let z=1-t+isqrt(t^2+t+2), where t is rea...

Let `z=1-t+isqrt(t^2+t+2)`, where t is real parameter. The locus of z in the argand plane is

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
  1. Let lambda in R . If the origin and the non-real roots of 2z^2+2z+lam...

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  2. If the ratio of the roots of the equation x^2+p x+q=0 are equal to rat...

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  3. Let z=1-t+isqrt(t^2+t+2), where t is real parameter. The locus of z in...

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  4. If sintheta,costheta be the roots of a x^2+b x+c=0 , then prove that b...

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  5. Express the following complex numbers in a+i b form: ((3-2i)(2+3i))/((...

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  6. If a ,b ,c are nonzero real numbers and a z^2+b z+c+i=0 has purely i...

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  7. z^2+zabsz+absz^2=0 then the locus of z is

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  8. If the sum of the roots of the equation 1/(x+a)+1/(x+b)=1//c is zero,...

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  9. Solve the equation x^2+p x+45=0. it is given that the squared differen...

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  10. Find the least positive integer n such that ((2i)/(1+i))^n is a positi...

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  11. z1a n dz2 lie on a circle with center at the origin. The point of inte...

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  12. If alpha,beta are the roots of the equation 2x^2-35x+2=0 , the find ...

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  13. If one root of the equation z^2-a z+a-1= 0 is (1+i), where a i...

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  14. If |z1|=|z2|=|z3|=1 and z1+z2+z3=0 then the area of the triangle whose...

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  15. Simplify: (sqrt(5+12 i)+sqrt(5-12 i))/(sqrt(5+12 i)-sqrt(5-12 i))

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  16. Find a quadratic equation whose product of roots x1 and x2 is equa...

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  17. If sqrt(5-12 i)+sqrt(-5-12 i)=z , then principal value of a rgz can be

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  18. If (x+i y)(p+i q)=(x^2+y^2)i , prove that x=q ,y=pdot

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  19. If a and b(!=0) are the roots of the equation x^2+a x+b=0, then find...

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  20. Let A ,B ,C ,D be four concyclic points in order in which A D : A B=C ...

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