Question

solve it as soon as possible questions number 5

Answer 1

it is the answer man

Answer 2

16*2^  [n-1]- 8* 2*n      2^n  {16*2 -8*1 }       32-8         24
------------------------    = ----------------------- =---------- = ------- = 3/7
16*2^[n+2]-4*2^[n+1    2^n  {16*4 - 4*2}        64-8       56