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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- The complex number z satisfies z+|z|=2+8i. find the value of |z|-8
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- Solve (x^2-2x-3)/(x+1)=0.
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- If omega is a complex cube root of unity and (1+omega)^7=A+Bomega then...
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- Solve (x^3-4x)sqrt(x^2-1)=0.
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- For what value of x, The complex number sinx+icos2x and cosx-isin2x ar...
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- Solve (2x-3)/(x-1)+1=(9x-x^2-6)/(x-1)dot
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- The points, z1,z2,z3,z4, in the complex plane are the vertices of a pa...
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- Using differentiation method check how many roots of the equation x^3-...
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- z=x+iy and w=(1-iz)/(1+iz) and |w|=1 ,prove that z is purely real
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- Let ...
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- |z-4| < |z-2| represents the region given by: (a) Re(z) > 0 (b) Re...
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- Draw the graph of y=x^(4)+2x^(2)-8x+3 Find the number of real roots ...
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- If z=[(sqrt(3)/2)+i/2]^5+[((sqrt(3))/2)-i/2]^5 , then a. R e(z)=0 ...
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- How many real solutions does the equation x^7+14x^5+16x^3+30x-560=0 h...
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- The complex numbers z=x+iy which satisfy the equation |(z-5i)/(z+5i)|=...
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- Solve sqrt(3x^2-7x-30)-sqrt(2x^2-7x-5)=x-5.
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- The smallest positive integer n for which ((1+i)/(1-i))^n=1 is (a)8...
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- Solve sqrt(3x^2-7x-30)-sqrt(2x^2-7x-5)=x-5.
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- If the cube roots of unity are 1,omega,omega^2, then the roots of the ...
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- If x= (7+4sqrt(3)), prove that x+1//x= 14
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