Calculus Examples

$\sum_{x = 3}^{4} \frac{- 2}{x - 3}$

Step 1

Simplify the summation.

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Step 1.1

Move the negative in front of the fraction.

$- \frac{2}{x - 3}$

Step 1.2

Rewrite the summation.

$\sum_{x = 3}^{4} - \frac{2}{x - 3}$

Step 2

Expand the series for each value of $x$ .

$- \frac{2}{3 - 3} - \frac{2}{4 - 3}$

Step 3

Simplify.

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Step 3.1

Subtract $3$ from $3$ .

$- \frac{2}{0} - \frac{2}{4 - 3}$

Step 3.2

The expression contains a division by $0$ . The expression is undefined.

Undefined