Finite Math Examples

$2^{k} - 1 + 2^{k}$

Step 1

Add $2^{k}$ and $2^{k}$ .

$2 \cdot 2^{k} - 1$

Step 2

Multiply $2$ by $2^{k}$ .

Tap for more steps...

Step 2.1

Raise $2$ to the power of $1$ .

$2^{1} \cdot 2^{k} - 1$

Step 2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$2^{1 + k} - 1$