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222364
27.11.2019 •
Mathematics
Sequences kind of confuse me, so could someone ?
Solved
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Ответ:
C
Step-by-step explanation:
Consider the number of triangles in each diagram
1 → 1 →![2^{0}](/tpl/images/0393/1258/6b31f.png)
2 → 2 →![2^{1}](/tpl/images/0393/1258/cfa89.png)
3 → 4 → 2²
4 → 8 → 2³
The pattern of triangles is 1, 2, 4, 8, that is
Note that the exponent is one less than the figures position in the pattern, thus
Ответ:
is the answer option no b i.e b(4,5)