3 years ago

Can anyone please help me

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

8 0

The picture you took of your question is not showing the complete question

Bond [772]3 years ago

7 0

4 ft by 12ft hope this helps hope i am brainliest I need one more

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Find the 5th term of the sequence in which t1 = 8 and tn-1 = t= -3tn-1

il63 [147K]

I think you mean to say that the sequence is given recursively by

$\begin{cases}t_1=8\\t_n=-3t_{n-1}\end{cases}$

From this you can find a general pattern for the $n$ th term, but since we're only interested in determining $t_5$ , we can stop once we arrive at that. We have

$t_2=-3t_1$
$t_3=-3t_2=(-3)^2t_1$
$t_4=-3t_3=(-3)^3t_1$
$t_5=-3t_4=(-3)^4t_1$

$\implies t_5=8(-3)^4=8(81)=648$