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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- Identify locus z if R e(z+1)=|z-1|
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- If z is a complex number satisfying z^4+z^3+2z^2+z+1=0 then the set of...
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- Solve the equation sqrt(a(2^x-2)+1)=1-2^x ,x in Rdot
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- If |z1|=1,|z2|=2,|z3|=3,a n d|9z1z2+4z1z3+z2z3|=12 , then find the va...
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- Let Z1 = (8 + i)sin theta + (7 + 4i)cos theta and Z2 = (1 + 8i)sin th...
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- For a<0, determine all real roots of the equation x^2-2a|x-a|-3a^2=0.
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- Let A={a in R} the equation (1+2i)x^3-2(3+i)x^2+(5-4i)x+a^2=0 has at ...
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- Express the following in a+i b form: ((cosalpha+isinalpha)^4)/((sinbe...
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- Find the root of equation 2x^2+10 x + 20=0.
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- Suppose that z is a complex number the satisfies |z-2-2i|lt=1. The max...
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- If 1//x+x=2costheta , then prove that x^n+1//x^n=2cosnthetadot
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- If a x^2+b x+c=0 and b x^2+c x+a=0 have a common root and a, b, and c ...
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- Find the roots of the equation 2x^2 - x + 1/8 = 0
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- If |z +2 - i|=5 then the maximum value of |3z+9-7i| is K, then find k
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- If x^2+3x+5=0a n da x^2+b x+c=0 have common root/roots and a ,b ,c in ...
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- Find the minimum value of the expression E= |z|^2+ |z-3|^2 + |z- 6i|^2...
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- The area bounded by the curves arg z = pi/3 and arg z = 2 pi /3 and a...
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- If alpha!=betaa n dalpha^2=5alpha-3a n dbeta^2=5beta-3. find the equat...
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- Express 1/(1-costheta+2isintheta) in the form x+i y .
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- a ,b ,c are three complex numbers on the unit circle |z|=1, such that ...
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