The 5th term of an ap is 34 and 15th term is 9. Find the common difference r th term no spams...
Share
The 5th term of an ap is 34 and 15th term is 9. Find the common difference r th term no spams...
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
Step-by-step explanation:
a_{n}=a_{1}+(n-1)d
a [5] = a[1]+4d = 34......eq{1}
a[15] = a[1]+8d = 9....eq{2}
from{1}and{2} d= -25/4