Question

........... + n will be :
(A) Choose the correct answer:
(i) For all positive integers of n, the value of 1 + 2 +3 +
(a)
n(n+1) (2n+1)
6
n(n+1)
2
n(n-1)
(C)
2.
(d)
n(n+1)
2
(b)​

Answer 1

Answer:

Bro can you wait for 1 hour