Maths-
General
Easy
Question
If
and
are the roots of the equation
, then
is equal to
The correct answer is: 


(where
is cube roots of unity)

Related Questions to study
Maths-
If
and
then the value of
is
If
and
then the value of
is
Maths-General
Maths-
If
is a cube root of unity, then value of the determinant
is
If
is a cube root of unity, then value of the determinant
is
Maths-General
Maths-
If
are, respectively, the cofactors of the elements
of the determinant
, then the value of
is equal to
If
are, respectively, the cofactors of the elements
of the determinant
, then the value of
is equal to
Maths-General
Maths-
Let
be a unit vector perpendicular to unit vectors
inclined at an angle a, then
is
Let
be a unit vector perpendicular to unit vectors
inclined at an angle a, then
is
Maths-General
Maths-
Let
be three non-coplanar vectors and
be a non-zero vector which is perpendicular to
and is represented as
. Then
Let
be three non-coplanar vectors and
be a non-zero vector which is perpendicular to
and is represented as
. Then
Maths-General
Maths-
Let OPQR is a tetrahedron such that O is origin and
are position vectors of P, Q, R respectively and a is the angle which OP makes with face PQR then
Hence required angle is 2.
Let OPQR is a tetrahedron such that O is origin and
are position vectors of P, Q, R respectively and a is the angle which OP makes with face PQR then
Maths-General
Hence required angle is 2.
Chemistry-
On strong heating Mgcl2 6H2 Othe product obtained is
On strong heating Mgcl2 6H2 Othe product obtained is
Chemistry-General
Chemistry-
Which one of the following hydroxide is insoluble in water?
Which one of the following hydroxide is insoluble in water?
Chemistry-General
Chemistry-
Which is the incorrect statement?
Which is the incorrect statement?
Chemistry-General
Chemistry-
Which salt can be used to identify coloured cation?
Which salt can be used to identify coloured cation?
Chemistry-General
Chemistry-
Which will give
on heating?
Which will give
on heating?
Chemistry-General
Chemistry-
Some of alkali metal salts are coloured.
yellow,
pink,
green. It is due to
Some of alkali metal salts are coloured.
yellow,
pink,
green. It is due to
Chemistry-General
Maths-
The equation of the hyperbola whose foci are (6, 4) and (–4, 4) and eccentricity 2 is given by
The equation of the hyperbola whose foci are (6, 4) and (–4, 4) and eccentricity 2 is given by
Maths-General
Chemistry-
Mg and Li are similar in their properties due to
Mg and Li are similar in their properties due to
Chemistry-General
Chemistry-
When an electron makes a transition from
state to
state, the frequency of emitted radiations is related to
according to 
When an electron makes a transition from
state to
state, the frequency of emitted radiations is related to
according to 
Chemistry-General