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CENGAGE PUBLICATION-COMPLEX NUMBERS-ILLUSTRATION
- If 2z1//3z2 is a purely imaginary number, then find the value of "|"(z...
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- Find the complex number satisfying the system of equations z^3+ omega^...
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- Express the following in a + ib form: (i) ((cos theta+ isin theta...
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- Let z = ((sqrt(3))/(2) + (i)/(2))^(5)+((sqrt(3))/(2)-(i)/(2))^(5). If ...
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- Prove that the roots of the equation x^4-2x^2+4=0 forms a rectangle.
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- If z + 1/z = 2costheta, prove that |(z^(2n)-1)//(z^(2n)+1)|=|tannthet...
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- If z=x+i y is a complex number with x ,y in Qa n d|z|=1, then show th...
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- If z=costheta+isintheta is a root of the equation a0z^n+a2z^(n-2)+.......
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- If |z1|=1,|z2|=2,|z3|=3,a n d|9z1z2+4z1z3+z2z3|=12 , then find the val...
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- If alpha\ a n d\ beta are different complex numbers with |beta|=1,\ fi...
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- Given that |z1+z2|^2=|z1|^2+|z2|^2, prove that z1/z2 is purely imagina...
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- Let |(z(1) - 2z(2))//(2-z(1)z(2))|= 1 and |z(2)| ne 1, where z(1) and...
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- If z1a n dz2 are two complex numbers and c >0 , then prove that |z1+z2...
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- If z1, z2, z3, z4 are the affixes of four point in the Argand plane, z...
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- if |z1+z2|=|z1|+|z2|, then prove that a r g(z1)=a r g(z2) if |z1-z2|=...
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- Show that the area of the triangle on the Argand diagram formed by the...
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- Find the minimum value of |z-1| if ||z-3|-|z+1||=2.
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- Find the greatest and the least value of |z1+z2| ifz1=24+7ia n d|z2|=6...
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- If z is a complex number, then find the minimum value of |z|+|z-1|+|2z...
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- If |z1-1|lt=,|z2-2|lt=2,|z(33)|lt=3, then find the greatest value of |...
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