Question

Sum of series 1+2+3+................+n is (option)n(n+1) ÷2 n(n+1) (n+1)(n+2)÷2 none of these

Answer 1

Answer:

option A is the correct answer....

sum of the given sequence is

n(n+1)/2.....

Step-by-step explanation:

Hope it helps you frnd......