rathiramakanta rathiramakanta

21-03-2021
Mathematics

contestada

Which term of the Ap: 9,8,13,18.......is 79?

Please don't post invalid answer..!!

Respuesta :

Аноним Аноним

21-03-2021

[tex]a {}^{n} = 79[/tex]

[tex]n = ?[/tex]

[tex]a = 3[/tex]

[tex]79 = 3 + (n - 1) \times 5[/tex]

[tex]76 = 5n - 5 \\ 81 = 5n \\ n = 16.2[/tex]

16.2 is the answer

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