Question

first term is 13 ,nth term is 15 ,an is 55 and find common difference​

Answer 1

Hey mate ❤️

Pls find the attachment

Have a nice day mate ❤️

Answer 2

Step-by-step explanation:

a=13

55=a+(n-1)d

55=13+(15-1)d

55-13=14d

42/14=d

3=d