Question

peiyun

想請問45題怎麼算

-苹 multiplica    彷?z衝 rotates a vector x in the xy-plane
出rough an as才

沁Vhat is the effect of multiplying x by
47? Explain yougr劑

Oning.
Cfon of (g,2,c)    45. Find the St AA for the lin
了: 和2一 2forwhich

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46. nd 負e standard matrix A for the linear transtformation
7 人 一 3 forWhich

eat tranSformation

3 proyecfion 0

I         2       1       1       一3        1
gf   0   三|一3[, 7器國   1 張   F   全
Droyecflon 0f                    明           10          則          8             晴

47. _Let x) be a nonZero column vector in 及, and suppose that
7了: 和一和 is the transformation defined by the formula