Interactive practice questions
Consider the following recursive definition.
$T_{n+1}=0.2T_n$Tn+1=0.2Tn, $T_1=25$T1=25
State the first $4$4 terms in the sequence.
Enter each term on the same line, separated by commas.
Easy
< 1min
Consider the following recursive definition which starts from $T_1$T1.
$T_n=\frac{1}{4}T_{n-1}$Tn=14Tn−1, $T_5=\frac{1}{4}$T5=14
Easy
1min
Consider the first four terms in the following geometric sequence.
Easy
2min
Consider the sequence defined by $a_1=2$a1=2 and $a_n=3a_{n-1}$an=3an−1 for $n\ge2$n≥2.
Easy
1min
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