Question

find the number of terms of A.P 7,13,19,.....,205​

Answer 1

Answer:

a=7

d=13- 7

6

an= 205

an= a+ (n-1)d

205=7+(n-1)6

205-7 = (n-1)6

198/6= (n-1)

33= n-1

33+1= n

34=n

Step-by-step explanation:

an= 205

an= a+ (n-1)d

205=7+(n-1)6

205-7 = (n-1)6

198/6= (n-1)

33= n-1

33+1= n

34=n