Find the Sum
- $\sum_{\mathrm{i}=3}^{6} \frac{\left(\mathrm{i}^{2}-3\right)}{2}$ A) 20
B) 37
C) 74
D) 39

Find the sum
- $\sum_{\mathrm{i}=3}^{6} \frac{\left(\mathrm{i}^{2}-3\right) }{2}$

A) 20
B) 37
C) 74
D) 39