Question

in ap,an=3+2n then find d​

Answer 1

Answer:

2n/n-1.

Step-by-step explanation:

formula: an=a+(n-1)d.------(1).(for nth term of AP).

but given an = 3+2n.-------(2).

from (1) and(2) ,

(n-1)d = 2n.

d = 2n/n-1.