The sequence a1, a2, a3 ... an .... is such that an=(an-1 + an-2)/ 2 for an >= 3
If a3 = 4 and a5 = 20, what is the value of a6 ?
If a3 = 4 and a5 = 20, what is the value of a6 ?
a3=4; a5=20
an=((an-1)+(an-2))/2
a5=((a3)+(a4))/2
=> 20=((4)+(a4))/2
=> a4=36
a6=((a4)+(a5))/2
=> a6=(36+20)/2
=> a6=28
