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Boa tarde Eduardo!
Solução!
![\vec{u}=(3,1,-7)\\\\\\
\vec{v}=(0,0,-1)\\\\\
\vec{w}=(1,1,1)](https://tex.z-dn.net/?f=%5Cvec%7Bu%7D%3D%283%2C1%2C-7%29%5C%5C%5C%5C%5C%5C%0A%5Cvec%7Bv%7D%3D%280%2C0%2C-1%29%5C%5C%5C%5C%5C%0A%5Cvec%7Bw%7D%3D%281%2C1%2C1%29 "\vec{u}=(3,1,-7)\\\\\\
\vec{v}=(0,0,-1)\\\\\
\vec{w}=(1,1,1)")
![r=2\vec{u}+ 0,5\vec{v}+\vec{w} \\\\\\
r=2(3,1-7)+0,5(0,0,-1)+(1,1,1) \\\\\\
r=(6,2,-14)+(0,0,-0,5)+(1,1,1) \\\\\\
r=(6+0+1,2+0+1,-14-0,5+1)\\\\\\
r=(7,3,-13,5)\\\\\\\
\boxed{Resposta:r=(7,3,-13,5)}\\\\\\
ou\\\\\
\boxed{Resposta:r=(7,3,- \frac{27}{2} )}\\\\\\](https://tex.z-dn.net/?f=r%3D2%5Cvec%7Bu%7D%2B+0%2C5%5Cvec%7Bv%7D%2B%5Cvec%7Bw%7D+%5C%5C%5C%5C%5C%5C%0Ar%3D2%283%2C1-7%29%2B0%2C5%280%2C0%2C-1%29%2B%281%2C1%2C1%29+%5C%5C%5C%5C%5C%5C%0Ar%3D%286%2C2%2C-14%29%2B%280%2C0%2C-0%2C5%29%2B%281%2C1%2C1%29+%5C%5C%5C%5C%5C%5C%0Ar%3D%286%2B0%2B1%2C2%2B0%2B1%2C-14-0%2C5%2B1%29%5C%5C%5C%5C%5C%5C%0Ar%3D%287%2C3%2C-13%2C5%29%5C%5C%5C%5C%5C%5C%5C%0A%5Cboxed%7BResposta%3Ar%3D%287%2C3%2C-13%2C5%29%7D%5C%5C%5C%5C%5C%5C%0Aou%5C%5C%5C%5C%5C%0A%5Cboxed%7BResposta%3Ar%3D%287%2C3%2C-+%5Cfrac%7B27%7D%7B2%7D+%29%7D%5C%5C%5C%5C%5C%5C%0A%0A "r=2\vec{u}+ 0,5\vec{v}+\vec{w} \\\\\\
r=2(3,1-7)+0,5(0,0,-1)+(1,1,1) \\\\\\
r=(6,2,-14)+(0,0,-0,5)+(1,1,1) \\\\\\
r=(6+0+1,2+0+1,-14-0,5+1)\\\\\\
r=(7,3,-13,5)\\\\\\\
\boxed{Resposta:r=(7,3,-13,5)}\\\\\\
ou\\\\\
\boxed{Resposta:r=(7,3,- \frac{27}{2} )}\\\\\\")
Boa tarde!
Bons estudos!
Solução!
Boa tarde!
Bons estudos!
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