[" (4) None of the "],[" 10) If "n" is a positive integer,then "],[(sqrt(3)+1)^(2n)-(sqrt(3)-1)^(2n)" is "]

If n is a positive interger,them (sqrt(5)+1)^(2n+1)-(sqrt(5)-1)^(2n-1) is

If n is a positive integer,then (sqrt(3)+i)^(n)+(sqrt(3)-i)^(n) is

If n is a possible integer, then (sqrt3+1)^(2n)-(sqrt3-1)^(2n) is

The least positive integer n for which (sqrt(3)+i)^(n)=(sqrt(3)-i)^(n) is

If n is a positive integer, then (sqrt(3)+1)^(2n)-(sqrt(3)-1)^(2n) is (1) an irrational number (2) an odd positive integer (3) an even positive integer (4) a rational number other than positive integers

If n is a positive integer,then (sqrt(3)+1)^(2n)-(sqrt(3)-1)^(2n) is (1) an irrational number (2) an odd positive integer (3) an even positive integer (4) a a rational number other than positive integers

If n is a positive integer, then (sqrt(3)+1)^(2n)-(sqrt(3)-1)^(2n) is (1) an irrational number (2) an odd positive integer (3) an even positive integer (4) a rational number other than positive integers

If 'n' is a positive integer,then n.1+(n-1).2+(n-2).3+...+1.n=