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Mathematics
List of top Mathematics Questions on Complex Numbers and Quadratic Equations asked in KCET
If
$\left( \frac{ 1 - i}{1 + i}\right)^{96} = a + ib $
then (a,b) is
KCET - 2018
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\left( \frac{1 + i}{1 - i} \right)^m =1$
, then the least positive integral value of
$m$
is
KCET - 2017
KCET
Mathematics
Complex Numbers and Quadratic Equations
The simplified form of
$i^{n} + i^{n +1} + i^{n +2} + i^{n +3}$
is
KCET - 2016
KCET
Mathematics
Complex Numbers and Quadratic Equations
The solution set of the inequation
$\frac {x^2+6x-7}{|x+4|}<0$
is
KCET - 2015
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha$
and
$\beta$
are the roots of
$x^2 - ax + b^2 = 0$
, then
$\alpha^2 + \beta^2$
is equal to
KCET - 2015
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$x$
is real, then the minimum value of
$x^2 - 8x+17 $
is
KCET - 2015
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$Z = \frac {(\sqrt {3}+ i)^3 (3i+4)^2}{{(8+6i)^2}}$
then
$|Z|$
is equal to
KCET - 2015
KCET
Mathematics
Complex Numbers and Quadratic Equations
The number of solutions of the equation
$z^2+\bar{z}=0$
, where
$z \in C$
are
KCET - 2012
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha $
and
$\beta$
are different complex numbers with
$ | \beta | = 1$
, then
$\frac {\beta-\alpha}{1-\overline {\alpha} \beta}$
is equal to
KCET - 2012
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$ \log_2 (9 ^{x-1} + 7) - \log_2 (3^{x-1 } + 1) = 2 $
then
$x$
values are
KCET - 2012
KCET
Mathematics
Complex Numbers and Quadratic Equations
If the conjugate of
$(x + iy) (1 - 2i)$
is
$1 + i,$
then
KCET - 2012
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha ,\beta,\gamma$
are the roots of the equation
$x^3+4x+2=0$
then
$\alpha^3+\beta^3+\gamma^3$
KCET - 2012
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha , \beta ,\gamma$
are the roots of
$x^3-2x+1=0$
, then the value of
$(\sum \frac {1} {\alpha +\beta -\gamma}$
) is
KCET - 2011
KCET
Mathematics
Complex Numbers and Quadratic Equations
In Argand's plane, the point corresponding to
$\frac {(1-i\sqrt {3})(1+i)} {(\sqrt {3}+i)}$
lies in
KCET - 2011
KCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha$
and
$\beta$
are the roots of
$x^2 + x + 1 = 0$
then
$\alpha^{16}+\beta^{16}$
=
KCET - 2009
KCET
Mathematics
Complex Numbers and Quadratic Equations
If A.M. and G.M. of roots of a quadratic equation are 5 and 4 respectively, then the quadratic equation is
KCET
Mathematics
Complex Numbers and Quadratic Equations