Question

in an A.P if d=4 n=7 an=4 then a is​

Answer 1

Answer:a=-20

AN=a+(n-1)d

Step-by-step explanation:

AN= a+ 6d

4=a+24

a=-20

Answer 2

an= a+( n-1)d

4= a + ( 7-1)4

4= a+ 6×4

4=a+24

a+24=4

a = 4-24 =-20