Question

if 3rd term 43 and 6th term 76 what is its difference ?​

Answer 1

Answer:

nth term of AP =a+(n-1)d

6th term of AP=20=a+5d ………….(1)

11 the term of AP=30=a+10d……….(2)

Solving (1) and (2) we get

a=10 and d=2