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Solve for a4 a_4=2(4)-1

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

Step 1

Multiply $2$ by $4$ .

$a_{4} = 8 - 1$

Step 2

Subtract $1$ from $8$ .

$a_{4} = 7$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

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