Question

in a sequence Tn+1 = 4n+5 then Tn is?​

Answer 1

Answer:

$tn = 1 \\ tn + 1 = 4n + 5 \\ t1 + 1 = 4(1) + 5 \\ t1 = 9 - 1 \\ t1 = 8 \\ thats \: why \: tn \: is \: equal \: to \: 8$

Step-by-step explanation:

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Answer 2

The value of the Tn is 8

Step-by-step explanation:

here

$T_n _+_1= 4n +5$

we know that $T_n$ = $(T _n_+_1 )-1$

i.e Tn+1 is the next term of the Tn in the AP

therefore ,

first we-calculate the value of  $T_n_+_1$

i.e

$T_n _+_1= 4n +5\\\\T_n _+_1=4(1) +5 = 9\\\\T_n = T_n_+_1-1 \\\\T_n =9-1 = 8\\\\T_n = 8$

hence , The value of the Tn is 8

#Learn more:

Express the terms of the following geometric sequence recursively.

5 , 20 , 80 , 320 , 1,280 , ...

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