Question

9. Observe the following pattern
1
1+2 = 312712+13)
1+2+3 - 13-(3+1)
1 + 2 + 3+ 4 = 44-1)
2
and find the values of each of the following
(i) 1+ 2+ 3+ 4+ 5+.... + 50
(ii) 31 +32 +.... + 50​

Answer 1

Answer:

2+3+4+1=(44-1)and1)49 2)33