How many terms are there in so 7.11.15.....139
Answers
Answered by
1
Answer:
n=34
Step-by-step explanation:
a=7, d=11-7=4 ,aₙ = 139
aₙ =a +(n-1)d
139 = 7 +(n-1)4
132=(n-1)4
33=n-1
n=34
Similar questions