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MATH / The projection of beginpmatrix 2 y -5 endpmatrix onto beginpmatrix 1 -2 1 endpmatrix is frac56 beginpmatrix 1 -2 1 endpmatrix.Find y. · Discussion

Discussing The projection of begin{pmatrix} 2 y -5 end{pmatrix} onto begin{pmatrix} 1 -2 1 end{pmatrix} is frac{5}{6} begin{pmatrix} 1 -2 1 end{pmatrix}.Find y. · MATH

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