Answer:
a₁₁ = -3/2
Step-by-step explanation:
3.5; 3 ; 2.5; 2 ; 1.5..............aₙ
aₙ = -n/2 + 4
a₁₁ = (-0.5)(11) + 4
(1,-2)
w = ( x , y ) = ( 1 , -2 )
3rd choice