Question

3,6,9,...............999 find n,=? ,d=?​

Answer 1

d = 6 - 3

d = 3

An = a+ (n-1)d

999 -3 =( n- 1 )d

996/ 6 = n-1

166 + 1= n

n = 167

pls mark me the brainiest if it helped u!!!!

Answer 2

Answer:

d=6-3=3

Step-by-step explanation:

an=a+(n-1)*d

999=3+(n-1)*3

999-3=3n-3

996+3=3n

999=3n

n=999/3

n=333