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san4es73 [151]
3 years ago
9

Find the next two numbers in the pattern.

Mathematics
1 answer:
RSB [31]3 years ago
6 0
Let u_n be the n' th term of the sequence.


u_1=7\\\\u_2=-28=-7\cdot4\\\\u_3=112=7 \cdot4^2\\\\u_4=-448=-7\cdot 64=-7\cdot 4^3\\\\u_5=1792=7 \cdot 4^4

thus it is clear that:

u_6=-7 \cdot 4^5=7168\\\\u_7=7\cdot 4^6=28,672

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