One comment on “Complex Fifth Roots | ISI B.Stat Subjective 2007”
[…] Suppose a is a complex number such that (mathbf{ a^2+a+frac{1}{a}+frac{1}{a^2}+1=0 }) If m is a positive integer, find the value of (mathbf{a^{2m}+a^m+frac{1}{a^m}+frac{1}{a^{2m}}}) Discussion […]
[…] Suppose a is a complex number such that (mathbf{ a^2+a+frac{1}{a}+frac{1}{a^2}+1=0 }) If m is a positive integer, find the value of (mathbf{a^{2m}+a^m+frac{1}{a^m}+frac{1}{a^{2m}}}) Discussion […]