jarrelllizzy1405 jarrelllizzy1405

17-05-2022
Mathematics

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12.3 Write the first five terms of the sequence whose general term is [tex]a_{n}=3^{n}+4[/tex] .

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devishri1977 devishri1977

17-05-2022

Answer:

7,13,31,85,247......

Step-by-step explanation:

[tex]a_n =3^n + 4[/tex]

[tex]\sf a_1=3^1 + 4 = 3 + 4 = 7\\\\a_2 = 3^2 + 4 = 9 + 4 = 13\\\\a_3 = 3^3 + 4 = 27 + 4 = 31\\\\a_4 = 3^4 + 4 = 81 + 4 = 85\\\\a_5 = 3^5 + 4 = 243 + 4 = 247[/tex]

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