(n - 6) ^ 2 - (n - 2)(n 2) July 8, 2019 16 32 64 128 N 6 2 n 2 n 2 N 6 2 2 n 2 n при n 5 12 2 n 2 * 21 n 3 6 n 1 * 7 n 2 $( 2 n ) left 6 + frac 2 3 n right )( n 2 )= 0