Question

what is the sum of the integers 1 t 100​

Answer 1

Answer:

The sum of the numbers 1-100 would be equal to the number of pairs (50) multiplied by the sum of each pair (101), or 50 x 101 = 5,050.

Answer 2

Answer:

9900 is the answer.....

Step-by-step explanation:

S100=100/2[2×1(100-1)×1]

S100=50[2(99)×1]

S100=50[198]

S100=50×198

S100=9900