2 votes 2 votes Answer given as 5050 i am getting 4950 Combinatory recurrence-relation + – Inspiron asked Jan 21, 2018 Inspiron 250 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply akash.dinkar12 commented Jan 21, 2018 reply Follow Share It should be 4950.. 1 votes 1 votes Inspiron commented Jan 21, 2018 reply Follow Share @akash : 99+98...1 but they have considered 100+99...1 which is wrong ! right? 0 votes 0 votes akash.dinkar12 commented Jan 21, 2018 reply Follow Share Yes T(2) is giving sum of first natural number;1 T(3) is giving sum of first two natural number; 1 + 2 =3 T(4) is giving sum of first three natural number;1+2+3=6 T(5) s giving sum of first four natural number;1+2+3+4=10 ...... So T(100) will give sum of first 99 natural number = (99*100)/2 =4950 2 votes 2 votes Inspiron commented Jan 21, 2018 reply Follow Share Thank you ! 1 votes 1 votes Please log in or register to add a comment.