Sequences and Series

Hong Kong

Stage 4 - Stage 5

Consider the sequence defined by $a_n=3n-3$`a``n`=3`n`−3 for $n\ge1$`n`≥1.

a

What is the first term of the sequence?

b

What is the second term of the sequence?

c

What is the third term of the sequence?

d

What is the fourth term of the sequence?

e

What is the fifth term of the sequence?

Easy

1min

Consider the sequence defined by $a_n=-4\left(n-2\right)$`a``n`=−4(`n`−2) for $n\ge1$`n`≥1.

Easy

1min

Consider the sequence defined by $a_n=2^{n+1}$`a``n`=2`n`+1 for $n\ge1$`n`≥1.

Easy

1min

Consider the sequence defined by $a_n=\left(-3\right)^{n+2}$`a``n`=(−3)`n`+2 for $n\ge1$`n`≥1.

Easy

2min

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