![Sistemi:{\left\lbrace\begin{matrix}{x}+{y}=\frac{a}{{b}}{\left({x}+{y}\right)}\\{2}\frac{{{a}^{2}+{b}^{2}}}{{{a}{b}}}-\frac{{{x}-{y}}}{{a}}=\frac{{{x}+{y}}}{{b}}\end{matrix}\right.} Sistemi:{\left\lbrace\begin{matrix}{x}+{y}=\frac{a}{{b}}{\left({x}+{y}\right)}\\{2}\frac{{{a}^{2}+{b}^{2}}}{{{a}{b}}}-\frac{{{x}-{y}}}{{a}}=\frac{{{x}+{y}}}{{b}}\end{matrix}\right.}](https://cdn.skuola.net/news_foto/images/stories/esercizi/sist_e3.jpg)
Sistemi:{\left\lbrace\begin{matrix}{x}+{y}=\frac{a}{{b}}{\left({x}+{y}\right)}\\{2}\frac{{{a}^{2}+{b}^{2}}}{{{a}{b}}}-\frac{{{x}-{y}}}{{a}}=\frac{{{x}+{y}}}{{b}}\end{matrix}\right.}
If a and b are 2 non-collinear unit vectors, and if |a+b|=square root of 3, then what is the value of (a-b).(2a+b)? - Quora
Find the value of a if [(a-b, 2a+c)(2a-b, 3c+d)] = [(-1, 5)( 0, 13)]. - Sarthaks eConnect | Largest Online Education Community
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