Join now for JEE/NEET and also prepare for Boards Join now for JEE/NEET and also prepare for Boards. Register Now
Hey there! We receieved your request
Stay Tuned as we are going to contact you within 1 Hour
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
Sit and relax as our customer representative will contact you within 1 business day
Find the sum of n terms of A.P. whose rth term is 2r+3 Find the sum of n terms of A.P. whose rth term is 2r+3
Tr = 2r +3Hence Tn would be = 2n +3NowSim of n terms will beSn = (2n+3)= 2 n(n+1)/2 +3n= n(n+1) + 3n= n² +4n
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -