Question

Observe the pattern and find the sum of 1 +3 + 5 + 7 +9 + 11 + 13. 1 1 x 1 = 1 1 + 3 2 x 2 = 4 1 + 3 + 5 3 x 3 = 9 ​

Answer 1

1-2s÷6+578=678+578×8

Answer 2

Step-by-step explanation