please solve it guys are
Share
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:
Given that,
a=550, d=10, n=21
sum of 21 terms=n/2[2a+(n-1)d]
=21/2[2(550)+(21-1)10]
=21/2[1100+200]
=21/2×1300
=21×650
=13650
Hope it works...........................™✌️✌️
Answer:
hiiii mate
hope it helps you