Question

The nth term of AP is 4n+5 then find 2nd term

Answer 1

Answer:

13

Step-by-step explanation:

Answer 2

13

aₙ=a+(n-1) d=a+snd=dn+(a-d)

Compare the eqⁿ

4n+5=dn+(a-d)

⇒d=4 and a-d=5

so a=5+4=9

so 2nd term = 4x2+5=13

or jst put n=2 in eqⁿ