Algebra
if a,b are the roots of x2+px+q=0, and w is a cube root of unity, then the value of (wa+w2b)(w2a+wb) is
a) p2
b) 3q
c) p2-3q
d) p2+3q
if a,b are the roots of x2+px+q=0, and w is a cube root of unity, then the value of (wa+w2b)(w2a+wb) is
a) p2
b) 3q
c) p2-3q
d) p2+3q
