If the sum n.1+(n-1)+(n-2).3+.........+2.(n-1)+1.n is equal toA 1/6n(n+1)1B 1/6n²(n+1)C 1/6n(n+1)(n+2)1/6n(n+1)(2n+1)
If the sum n.1+(n-1)+(n-2).3+.........+2.(n-1)+1.n is equal to
A 1/6n(n+1)1
B 1/6n²(n+1)
C 1/6n(n+1)(n+2)
1/6n(n+1)(2n+1)
Last Activity: 2 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago