Solve for a1 a_1=2(4)^(1-1)

$a_{1} = 2 {(4)}^{1 - 1}$

Step 1

Subtract $1$ from $1$ .

$a_{1} = 2 \cdot 4^{0}$

Step 2

Anything raised to $0$ is $1$ .

$a_{1} = 2 \cdot 1$

Step 3

Multiply $2$ by $1$ .

$a_{1} = 2$

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