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write the next 4 terms in each pattern. write each pattern rule. a) 12, 36, 84, 180, 372... pattern rule: b) 8, 12, 24, 60, 168... pattern rule: write the 8th term of each pattern. a) 1, 5, 33, 229, 1601, ... b) 12, 59, 294, 1469, 7344, ... c) 15, 24, 42, 78, 150, ... d) 3, 19, 99, 499, 2499, ...

Respuesta :

caylus
Hello,

a)[tex] \boxed{u_{n}=12*(2^n-1)}\\\\ u_{6}=12*(2^6-1)\\ u_{7}=12*(2^7-1)\\ u_{8}=12*(2^8-1)\\ u_{9}=12*(2^6-1)\\[/tex]

b)
[tex]\boxed{ u_{n}=8+2*(3^{n-1}-1)}\\ u_{6}=8+2*(3^{6-1}-1)}\\ u_{7}=8+2*(3^{7-1}-1)}\\ u_{8}=8+2*(3^{8-1}-1)}\\ u_{9}=8+2*(3^{9-1}-1)}\\ [/tex]

For more explanaitions, see the file joined.



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