Math Problem Statement
lim(a_n)=+inf, lim(b_n)=B, B<0. Докажи что lim(a_n*b_n)=-inf.
Solution
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Math Problem Analysis
Mathematical Concepts
Limits
Sequences
Product of Limits
Formulas
lim(a_n * b_n) = lim(a_n) * lim(b_n)
Theorems
Limit of a Product
Properties of Limits
Suitable Grade Level
Undergraduate
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Proof of Limit Sum Convergence: Sequence a_n + b_n Tends to Infinity
Proof that $$ \lim_{n\to\infty} a_n = +\infty $$ and $$ \lim_{n\to\infty} b_n = B $$ implies $$ \lim_{n\to\infty} (a_n + b_n) = +\infty $$