After taking |A|=0, I am getting x^{3}+1=0 and not x^{3}-1=0. Is it x^{3}+1=0 or x^{3}-1=0?
Ya, i missed the '-' in multiplying 2nd parameter.
BTW, expansion of (x^{3}-1) is (x-1)(x^{2}+x+1), so x=1, and not -1, for real values of x.
3704 Points
1484 Points
1432 Points
1408 Points
1311 Points
1194 Points
1148 Points
1112 Points
932 Points
930 Points
1960 Points
1306 Points
502 Points
410 Points
392 Points
Gatecse
@Arjun Sir the problem is not with the ...