Question

an=26 and d=2. find a=25if n is equal to 26 and the common difference is 2 find 25th term

Answer 1

a25 = a + (n-1)d
= 25 + (25-1)2
= 25+ 24×2
= 25 + 48
= 73

Answer 2

given

an=26,d=2,a=25,n=26

a25=a+24d

or    (25+24*2)

or (25+48)=73