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find the first five terms of the sequence an=3n-11


Sagot :

Its very simple. Just substitute the corresponding number of n to the given formula. ‍♂️

Formula given: [tex]a_n=3n-11[/tex]

Terms required: first five terms [tex](a_1,a_2,..., a_5)[/tex]

Solution:

For the first term,              

[tex]a_1=3(1)-11[/tex]                      

[tex]a_1=3-11[/tex]                          

[tex]a_1=-8[/tex]                                

For the second term,

[tex]a_1=3(2)-11[/tex]

[tex]a_1=6-11[/tex]

[tex]a_1=-5[/tex]

For the third term,

[tex]a_1=3(3)-11[/tex]

[tex]a_1=9-11[/tex]

[tex]a_1=-2[/tex]

For the fourth term,

[tex]a_1=3(4)-11[/tex]

[tex]a_1=12-11[/tex]

[tex]a_1=1[/tex]

For the fifth term,

[tex]a_1=3(5)-11[/tex]

[tex]a_1=15-11[/tex]

[tex]a_1=4[/tex]

:-/