Grade 11Algebra
IF A1,A2,A3,...,A BE N-TH ROOTS OF THE UNITY THEN THE VALUE OF (A1/3-A1+A2/3-A2+A3/3-A3+...+A/3-A)=
A)N/3N-1
B)N-1/3N-1
IF A1,A2,A3,...,A
A)N/3N-1
B)N-1/3N-1
1 Answer
A.S. Rajavel
sum of roots is zero.
therefore -a1 -a2-a3......=0
1/3(0)=0
0+0=0
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