Let $(x_n)$ and $(y_n)$ be two sequences in $\mathbb{R}^d$ such that
- $(x_n)$ converges to $\bar{x}$ and
- for every $n$ we have $\langle x_n,y_n\rangle=0$.
Is it true that $\lim_{n\to \infty}\langle\bar{x},y_n\rangle=0$?
Let $(x_n)$ and $(y_n)$ be two sequences in $\mathbb{R}^d$ such that
Is it true that $\lim_{n\to \infty}\langle\bar{x},y_n\rangle=0$?
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