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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- The locus of point z satisfying Re(1/z)=k, where k is a non-zero real ...
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- If p(q-r)x^2+q(r-p)x+r(p-q)=0 has equal roots, then prove that 2/q=1/p...
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- Find the square root 9+40 idot
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- Let alpha,beta in Rdot If alpha,beta^2 are the roots of quadratic e...
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- Let a be a complex number such that |a|<1a n dz1, z2,z3,... be the ve...
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- Let lambda in R . If the origin and the non-real roots of 2z^2+2z+lam...
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- If the ratio of the roots of the equation x^2+p x+q=0 are equal to rat...
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- Let z=1-t+isqrt(t^2+t+2), where t is real parameter. The locus of z in...
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- If sintheta,costheta be the roots of a x^2+b x+c=0 , then prove that b...
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- Express the following complex numbers in a+i b form: ((3-2i)(2+3i))/((...
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- If a ,b ,c are nonzero real numbers and a z^2+b z+c+i=0 has purely i...
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- z^2+zabsz+absz^2=0 then the locus of z is
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- If the sum of the roots of the equation 1/(x+a)+1/(x+b)=1//c is zero,...
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- Solve the equation x^2+p x+45=0. it is given that the squared differen...
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- Find the least positive integer n such that ((2i)/(1+i))^n is a positi...
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- z1a n dz2 lie on a circle with center at the origin. The point of inte...
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- If alpha,beta are the roots of the equation 2x^2-35x+2=0 , the find ...
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- If one root of the equation z^2-a z+a-1= 0 is (1+i), where a i...
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- If |z1|=|z2|=|z3|=1 and z1+z2+z3=0 then the area of the triangle whose...
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- Simplify: (sqrt(5+12 i)+sqrt(5-12 i))/(sqrt(5+12 i)-sqrt(5-12 i))
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