If is the complex cube root of unity, then which among the following – McqOptions

MCQOPTIONS

1.	If is the complex cube root of unity, then which among the following is a factor of the polynomial x6+ 4x5+3x4+2x3+x+1?
A.	x+
B.	x+ <sup>2</sup>
C.	(x+ )(x+ <sup>2</sup>)
D.	(x )(x <sup>2</sup>)
Answer» E.

Discussion

No Comment Found

Related MCQs

Which of the following is not equal to (-1)1/3?
Find r=1(ar+b) r-1 if is a complex nth root of unity.
If is the complex cube root of unity, then which among the following is a factor of the polynomial x6+ 4x5+3x4+2x3+x+1?
Find the cube root of 8i lying in the first quadrant of the complex plane.
Let and 2 be the non-real cube roots of unity and 1/(a+ )+1/(b+ )+1/(c+ )=2 2 and 1/(a+ 2)+1/(b+ 2)+1/(c+ 2)=2 , then calculate 1/(a+1)+1/(b+1)+1/(c+1).
Find the possible value(s) of Re(i1/2)+&vert;Im(i1/2)&vert;.
If , , are the roots of equation x3 3x2+3x+7=0 and is cube root of unity, then evaluate ( -1)/( -1)+( -1)/( -1)+( -1)/( -1).
Find the value of (1+ )(1+ 2)(1+ 4)(1+ 8) to 2n factors.
For integral x,y,z, find the range of &vert;x+y +z 2&vert; if it is not true that x=y=z.
Let a and b be complex cube roots of unity. If x=7a+2b and y=2a+7b, then evaluate xy.