Solve sum12*13/13

$$\frac { \sum 12 \times 13 } { 13 }$$

Differentiate w.r.t. Σ_12

$$1$$

Steps Using Definition of a Derivative

Cancel out 13 and 13.

$$\frac{\mathrm{d}}{\mathrm{d}Σ_{12}}(Σ_{12})$$

The derivative of ax^{n} is nax^{n-1}.

$$Σ_{12}^{1-1}$$

Subtract 1 from 1.

$$Σ_{12}^{0}$$

For any term t except 0, t^{0}=1.

$$1$$

Evaluate

$$Σ_{12}$$

Solution Steps

Cancel out 13 and 13.

$$Σ_{12}$$