Svar Övning 6.1.3

SamverkanFlervariabelanalysLIU

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Nuvarande version (5 juni 2013 kl. 08.04) (redigera) (ogör)
 
Rad 8: Rad 8:
<math>f_{x_{2}}=2x_{2}</math>,
<math>f_{x_{2}}=2x_{2}</math>,
<math>f_{x_{3}}=2x_{3}</math>
<math>f_{x_{3}}=2x_{3}</math>
 +
 +
c)
 +
<math>f_{x_{1}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{1}}{|\mathbf{x}|}</math>,
 +
<math>f_{x_{2}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{2}}{|\mathbf{x}|}</math>,
 +
<math>f_{x_{3}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{3}}{|\mathbf{x}|}</math>

Nuvarande version

a) \displaystyle f_{x_{1}}=\frac{x_{1}}{|\mathbf{x}|}, \displaystyle f_{x_{2}}=\frac{x_{2}}{|\mathbf{x}|}, \displaystyle f_{x_{3}}=\frac{x_{3}}{|\mathbf{x}|}

b) \displaystyle f_{x_{1}}=2x_{1}, \displaystyle f_{x_{2}}=2x_{2}, \displaystyle f_{x_{3}}=2x_{3}

c) \displaystyle f_{x_{1}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{1}}{|\mathbf{x}|}, \displaystyle f_{x_{2}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{2}}{|\mathbf{x}|}, \displaystyle f_{x_{3}}=\frac{1}{1+|\mathbf{x}|}\; \frac{x_{3}}{|\mathbf{x}|}