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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
- If nge3and1,alpha(1),alpha(2),alpha(3),...,alpha(n-1) are the n,nth ...
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- Find the maximum and minimum values of the function y=(log)e(3x^4-2x^3...
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- If z^4=(z-1)^4, then the roots are represented in the Argand plane by ...
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- Find the value of k if x^3-12x+k=0 has three real distinct roots.
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- Let z=t^2-1+sqrt(t^4-t^2),where t in R is a parameter. Find the locu...
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- If|z|=1 , then prove that points represented by sqrt((1+z)//(1-z)) lie...
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- If omega is an imaginary fifth root of unity, then find the value of ...
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- a ,b ,a n d c are all different and non-zero real numbers on arithmet...
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- Let x^2+y^2+x y+1geqa(x+y)AAx ,y in R , then the number of possible i...
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- If alpha=e^(i2pi//7)a n df(x)=a0+sum(k=0)^(20)ak x^k , then prove that...
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- If w=alpha+ibeta, where beta!=0 and z!=1 , satisfies the condition tha...
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- If z is a non real root of root(7)(-1) , then find the value of z^(86...
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- The quadratic equation x^2+m x+n=0 has roots which are twice those of ...
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- Let omega=-1/2+i(sqrt(3))/2dot Then the value of the determinant |1 1 ...
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- All the value of k for which the quadratic polynomial f(x)=2x^2+k x+2=...
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- ifa=cos(2pi//7)+isin(2pi//7) , then find the quadratic equation whose ...
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- Let complex numbers alpha and 1/alpha^- lie on circles (x-x0)^2+(y-y0...
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- If |z/| barz |- barz |=1+|z|, then prove that z is a purely imaginary ...
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- If x=-5+2sqrt(-4) , find the value of x^4+9x^3+35 x^2-x+4.
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- Let a , b ,a n dc be rel numbers which satisfy the equation a+1/(b c)=...
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