What is the norm of $< 5, 7, - 2 >$ $< 5 , 7 , -2 >$ ?

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What is the norm of $< 5, 7, - 2 >$ $< 5 , 7 , -2 >$ ?

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Answer 1 · 2016-03-13T16:11:32

$| | A | | = \sqrt{78}$ $|| A ||=sqrt78$

Explanation:

$\to A = 5 ˆ i + 7 ˆ j - 2 ˆ k$ $vec A=5 hat i+7 hat j-2 hat k$
$| | A | | = \sqrt{5^{2} + 7^{2} + {(- 2)}^{2}}$ $|| A ||=sqrt(5^2+7^2+(-2)^2)$
$| | A | | = \sqrt{25 + 49 + 4}$ $|| A ||=sqrt(25+49+4)$
$| | A | | = \sqrt{78}$ $|| A ||=sqrt78$

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What is the norm of $< 5, 7, - 2 >$ $< 5 , 7 , -2 >$ ?

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Impact of this question

Science

Math

Humanities

... and beyond

What is the norm of <5,7,−2>< 5 , 7 , -2 >?

1 Answer

Explanation:

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Impact of this question

What is the norm of $< 5, 7, - 2 >$ $< 5 , 7 , -2 >$ ?