What is the norm or $< 4, 3, 9 >$ $< 4 , 3 , 9 >$ ?

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Answer 1 · 2016-04-14T15:17:22

$| | A | | = \sqrt{106}$ $||A||=sqrt106$

$A = < 4, 3, 9 >$ $A= <4,3,9>$

$| | A | | = \sqrt{4^{2} + 3^{2} + 9^{2}}$ $|| A||=sqrt(4^2+3^2+9^2)$

$| | A | | = \sqrt{16 + 9 + 81}$ $||A||=sqrt(16+9+81)$

$| | A | | = \sqrt{106}$ $||A||=sqrt106$

What is the norm or < 4 , 3 , 9 ><4,3,9>< 4 , 3 , 9 >?