Question

if an=5-11n then find commen differece? ​

Answer 1

First

Let! N=1

So,

A1=5-(11×1)

A1=-6

Let, a2=2

A2=5-(11×2)

A2=-17

Now we have a1=6 and a2=-17

Hence,

D=a2-a1

D=-17-(-6)

D=-11