[" 21.If "z+(1)/(z)=2cos6^(0)," ,then "],[z^(1000)+(1)/(z^(1000))+1" is equal to "]

If z+(1)/(z)=2cos6^(@), then z^(1000)+(1)/(z^(1000))+1 is equal to

If z=(1)/(z)=2 cos 60^(@) , then z^(1000)+(1)/(z^(1000))+1 is equal to

Z is a complex number such that z+(1)/(z)=2cos3^(0), then the value of z^(2000)+(1)/(z^(2000)) is equal to

If z+1/z=2cos6^@ , then z^1000+1/[z^1000] +1 is equal to

If z+1/z=2cos6^@ , then z^1000+1/[z^1000] +1 is equal to

If z+1/z=2cos6^@ , then z^1000+1/[z^1000] +1 is equal to

z is a complex number such that z+1/z=2cos 3^0 ,then the value of z^(2000)+ 1/z^(2000) is equal to

If Z+1/Z =1, Z^64 +1/(Z^(64)) is equal to

If z + (1)/(z) = 2 cos theta, z in "C then z"^(2n) - 2z^(n) cos (n theta) is equal to

|z|=1&z^(2n)+1!=0 then (z^(n))/(z^(2n)+1)-(z^(n))/(z^(2n)+1) is equal to