Question

how many terms are in this AP 19 28 37 to 676

Answer 1

Step-by-step explanation:

GIVEN,

a= 19

d = 28-19 = 9

an= 676

TO FIND,

n = ?

an = a +(n-1)d

676 = 19+9(n-1)

73+1 = n

n = 74

so, total no. of terms are 74