Given the following three equations
a w^2 + b + c w = x
a + b w + c w^2 = y
a w + b w^2 + c = z
What is the value of x^3 + y^3 + z^3 - 3 x y z. {Here, w is a cube root of unity.}
(A) -2
(B) -1
(C) 0
(D) 1
(E) 2
a w^2 + b + c w = x
a + b w + c w^2 = y
a w + b w^2 + c = z
What is the value of x^3 + y^3 + z^3 - 3 x y z. {Here, w is a cube root of unity.}
(A) -2
(B) -1
(C) 0
(D) 1
(E) 2
The mind is everything. What you think you become. -Lord Buddha
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001
www.manyagroup.com
