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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If ((1+i)/(1-i))^m=1, then find the least positive integral value of m...
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- If 1,Z1,Z2,Z3,........Z(n-1) are n^(th) roots of unity then the value...
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- If a ,b ,c in R^+and 2b=a+c , then check the nature of roots of equat...
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- If z is a complex number such taht z^2=( barz)^2, then find the loc...
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- If z^3+(3+2i)z+(-1+i a)=0 has one real root, then the value of a lies ...
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- Determine the value of k for which x+2 is a factor of (x+1)^7+(2x+k)^3...
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- Find the complex number z satisfying R e(z^2) =0,|z|=sqrt(3.)
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- P(z1),Q(z2),R(z3)a n dS(z4) are four complex numbers representing the ...
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- Given that the expression 2x^3+3p x^2-4x+p has a remainder of 5 when d...
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- z1a n dz2 are two distinct points in an Argand plane. If a|z1|=b|z2|(w...
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- Consider two complex numbers alpha and beta as alpha=[(a+b i)//(a-b i)...
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- In how many points the graph of f(x)=x^3+2x^2+3x+4 meets the x-axis ...
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- If x^2+x+1=0 then the value of (x+1/x)^2+(x^2+1/(x^2))^2+...+(x^27+1/(...
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- If (a+ib)(c+id)(e+if)(g+ih)=A+iB, then show that (a^2+b^2)(c^2+d^2)(e^...
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- Find the roots of the equation x+1/x=3
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- Solve the equation |z|=z+1+2idot
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- If z=i^(i^(i)) where i=sqrt-1 then find the value of |z|
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- Find the values of a for which the roots of the equation x^2+a^2=8x+6...
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- If alpha and beta are different complex numbers with absbeta=1. then f...
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- If z=i log(2-sqrt3), then cosz= a. -1 b. (-1)/2 c. ...
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