Sequences and Series

Hong Kong

Stage 4 - Stage 5

Consider the first three terms of the arithmetic sequence: $5$5, $12$12, $19$19, . . .

a

Determine $d$`d`, the common difference.

b

State the expression for finding $T_n$`T``n`, the $n$`n` th term in the sequence.

c

Determine $T_{10}$`T`10, the $10$10 th term in the sequence.

Easy

3min

Consider the first three terms of the arithmetic sequence: $17$17, $16.2$16.2, $15.4$15.4, . . .

Easy

3min

Consider the first three terms of the arithmetic sequence: $10$10, $3$3, $-4$−4, . . .

Easy

2min

Consider the first three terms of the arithmetic sequence: $5$5, $\frac{23}{4}$234, $\frac{13}{2}$132, . . .

Easy

2min

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