Question

When we add 1 to a number sum is the of the number

Answer 1

Answer:

Well, we have 2 equal rows, we must have n/2 pairs. \ displaystyle{\text{Number of pairs * Sum of each pair} = which is the formula above. Wait — what about ...

Answer 2

Step-by-step explanation:

let us consider a number

ie..10

when we add 1 to 10

10+1=

11