EM-1562
Number patterns and the nth term
E Math · Secondary 4 · Hard · Number patterns and the nth term
The first four terms of an arithmetic sequence are
.
(a) Write down an expression for the th term.
(b) Find the value of the 15th term.
.
(a) Write down an expression for the th term.
(b) Find the value of the 15th term.
- , 15th term = −54
- , 15th term = −63
- , 15th term = 207
- , 15th term = −45
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