rose3358
31.10.2019 •
Mathematics
If am, bm, and cm satisfy the inequalities 0 < bm < cm < am , for all m, what can we say about the
[infinity][infinity]
(a)σam(b)σbm
m=1m=1
series if we know that the series
[infinity]
(c)σcm
m=1
is divergent but know nothing else about am and bm?
1. (a) diverges , (b) diverges
2. (a) diverge, (b) converges
3. (a) converges, (b) need not converge
4. (a) converges, (b) diverges
5. (a) need not diverge. {b) diverges
6. (a) diverges, (b) need not diverge
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Ответ:
6. (A) divergent, (B) need not divergent
Step-by-step explanation:
using comparision test, A is divergent since it is greater than a divergent series but we don't know if B is divergent since it is less than divergent series but we don't know if it is converget either.
Ответ:
y = 0.15x + 10