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Mathematics
List of top Mathematics Questions on Complex Numbers and Quadratic Equations asked in JKCET
The values of
$ x $
for which
$ 4^x + 4^{1-x} - 5 < 0 $
, is given by
JKCET - 2017
JKCET
Mathematics
Complex Numbers and Quadratic Equations
The number of integer value(s) of
$k$
for which the expression
$ {{x}^{2}}-2(4k-1)x+15{{k}^{2}} $
$ -2k-7>0 $
for every real number
$x$
is/are
JKCET - 2015
JKCET
Mathematics
Complex Numbers and Quadratic Equations
The number of the solutions of the equation
$ {{5}^{2x-1}}+{{5}^{x+1}}=250, $
is/are
JKCET - 2015
JKCET
Mathematics
Complex Numbers and Quadratic Equations
Convert
$ \frac {(i+1)}{(\cos \,(\frac{\pi}{4}) -i\,\sin (\frac {\pi} {4})} $
in polar form?
JKCET - 2014
JKCET
Mathematics
Complex Numbers and Quadratic Equations
$ {{(1+i)}^{3}}+{{(1-i)}^{3}} $
JKCET - 2014
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If
$ (3+i)\,(z+\bar{z})-(2+i)(z-\bar{z})+14i\,=0, $
then
$ z\bar{z} $
is equal to
JKCET - 2009
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If
$\alpha$
and
$\beta$
are roots of the quadratic equation
$ {{x}^{2}}+4x+3=0, $
then the equation whose roots are
$ 2\alpha \,\text{+}\,\beta $
and
$ \alpha \,\text{+2}\,\beta $
is
JKCET - 2009
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If the equation
$ (a+1){{x}^{2}}-(a+2)x+(a+3)=0 $
has roots equal in magnitude but opposite in signs, then the roots of the equation are
JKCET - 2009
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If
$ \alpha ,\beta $
are the roots of the equation
$ {{x}^{2}}+ax+b=0, $
then
$ \frac{1}{{{\alpha }^{2}}}+\frac{1}{{{\beta }^{2}}} $
is equal to
JKCET - 2008
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If
$ \alpha ,\beta ,\gamma $
are the roots of the equation
$ {{x}^{3}}-7x+7=0, $
then
$ \frac{1}{{{\alpha }^{4}}}+\frac{1}{{{\beta }^{4}}}+\frac{1}{{{\gamma }^{4}}} $
is
JKCET - 2007
JKCET
Mathematics
Complex Numbers and Quadratic Equations
If the difference between the roots of
$ {{x}^{2}}+ax-b=0 $
is equal to the difference between the roots of
$ {{x}^{2}}-px+q=0, $
then
$ {{a}^{2}}-{{p}^{2}} $
in terms of
$b$
and
$q$
is
JKCET - 2007
JKCET
Mathematics
Complex Numbers and Quadratic Equations
The solution of the equation
$ 2{{x}^{3}}-{{x}^{2}}-22x-24=0 $
when two of the roots are in the ratio
$ 3:4, $
is
JKCET - 2007
JKCET
Mathematics
Complex Numbers and Quadratic Equations