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NEW JOYTHI PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-QUESTIONS FROM COMPETITIVE EXAMS
- The value of (i^(592)+i^(590)+i^(588)+i^(586)+i^(584))/(i^(582)+i^(580...
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- If |(z-i)/(z+i)|=1, then the locus of z is
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- The condition that one root of the equation ax^(2)+bx+c=0 may be squar...
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- If alpha is one root of the equation 4x^(2)+2x-1=0, then the other roo...
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- If the roots of the equation (a)/(x-a)+(b)/(x-b)=1 are equal in magnit...
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- The equation of smallest degree with real coefficients having 2+i3 as ...
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- If the expression a(b-c)x^(2)+b(c-a)xy+c(a-b)y^(2) is a perfect square...
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- If sqrt(a + ib) = x + iy, then possible value of sqrt(a - ib) is
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- If (1+i)(1+2i)(1+3i)"……."(1+ni)=a+ib," then "2xx5xx10xx"………"xx(1+n^2) ...
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- If i^(2)= -1, then the sum i+i^(2)+i^(3)+"………" to 1000 terms is equal ...
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- ((1+sin theta+icos theta)/(1+sin theta - icos theta))^(n)=
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- If omega is a non real cube root of unity, then (a+b)(a+b omega)(a+b o...
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- If Z(1)" and "Z(2) are any two complex numbers, then which one of the ...
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- If alpha" and "beta are the roots of the equation x^(2)+2x+4=0, " then...
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- If x^(2)+ax+10=0" and "x^(2)+bx-10=0 have a common root, then a^(2)-b^...
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- If 2+i is a root of the equation x^(3)-5x^(2)+9x-5=0, then the other r...
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- The equation of smallest degree with real co-efficients having 1+i as ...
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- The least integer k which makes the roots of the equation x^(2)+5x+k=0...
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- If x^(2)px+q=0 is the quadratic equation whose roots are a-2" and "b-2...
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- If omega is a complex cube root of unity, then (a+b omega+c omega^(2))...
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