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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If |z^2-1|=|z|^2+1, then z lies on (a) The Real axis (b)The imaginary...
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- A(z1),B(z2),C(z3) are the vertices of he triangle A B C (in anticlockw...
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- The number of points of intersection of two curves y=2sinxa n dy=5x^2+...
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- If |z|=1, then the point representing the complex number -1+3z will li...
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- If one vertex of a square whose diagonals intersect at the origin is 3...
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- If alphaa n dbeta are the roots of x^2+p x+q=0a n dalpha^4,beta^4 ar...
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- Find the center of the are represented by a r g[(z-3i)//(z-2i+4)]=pi//...
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- Let |zr-r|lt=r ,AAr=1,2,3,... ,n Then |sum(r=1)^n Zr| is less than n ...
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- If a^2+b^2+c^2=1,t h e na b+b c+c a lie in the interval [1/3,2] b. ...
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- z1a n dz2 are the roots of 3z^2+3z+b=0. if O(0),(z1),(z2) form an equi...
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- Consider the given equation 11 z^10 + 10 i z^9 + 10 i z - 11 =0, then ...
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- Let alpha,beta be the roots of the equation (x-a)(x-b)=c ,c!=0. Then t...
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- If 8iz^3+12z^2-18z+27i=0, then (a). |z|=3/2 (b). |z|=2/3 (c). |z|...
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- Let z1, z2a n dz3 represent the vertices A ,B ,a n dC of the triangl...
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- Let a, b, c be real numbers, a != 0. If alpha is a zero of a^2 x^2+bx...
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- If (x^2+p x+1) is a factor of (a x^3+b x+c),t h e n a^2+c^2=-a b ...
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- If |z| < sqrt(2)-1,t h e n|z^2+2zcosalpha|i s a. less than 1 b. sqr...
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- On the Argand plane z1, z2a n dz3 are respectively, the vertices of an...
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- If complex number z(z!=2) satisfies the equation z^2=4z+|z|^2+(16)/(|z...
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- Both the roots of the equation (x-b)(x-c)+(x-a)(x-c)+(x-a)(x-b)=0 are ...
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