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# write a recursive definition for the sequence 8,6,4,2,...

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write a recursive definition for the sequence 8,6,4,2,...

Guest Jul 8, 2015

#1
+20680
+15

write a recursive definition for the sequence 8,6,4,2,...

$$\small{ \begin{array}{rclclcl} a_1 &=& 8 \\ a_2 &=& a_1 - 2 &=& 8 - 2 &=& 6 \\ a_3 &=& a_2 - 2 &=& 6 - 2 &=& 4 \\ a_4 &=& a_3 - 2 &=& 4 - 2 &=& 2 \\ \cdots \\ \mathbf{a_n }& \mathbf{=} & \mathbf{a_{n-1}-2} \\ \\ \hline \end{array} }\\$$

heureka  Jul 8, 2015
#1
+20680
+15

write a recursive definition for the sequence 8,6,4,2,...

$$\small{ \begin{array}{rclclcl} a_1 &=& 8 \\ a_2 &=& a_1 - 2 &=& 8 - 2 &=& 6 \\ a_3 &=& a_2 - 2 &=& 6 - 2 &=& 4 \\ a_4 &=& a_3 - 2 &=& 4 - 2 &=& 2 \\ \cdots \\ \mathbf{a_n }& \mathbf{=} & \mathbf{a_{n-1}-2} \\ \\ \hline \end{array} }\\$$

heureka  Jul 8, 2015