Question

which term of the a.p is 5,2,-1,....is -22

Answer 1

let nth term of the A.P ne -22,

then

-22=5+(n-1)×(-3),

-22=5-3(n-1),

-22-5=-3(n-1),

-27=-3(n-1),

9=(n-1),

then

n=9+1=10