Question

the common difference of two terms in the given arithmetic progression 1 5 9 13 is​

Answer 1

D = a2 - a1

= 5 - 1 = 4


common difference= 4

Answer 2

Answer:

we know that common difference is second term-first term= third term-second term

here d=5-1=9-5=4

therefore d=4

hope its helpful...@.@