What is $|| <1, 9, 7 > - < 4, -2, -9 >||$ ?

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What is $|| <1, 9, 7 > - < 4, -2, -9 >||$ ?

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Answer 1 · 2016-02-15T09:51:17

$|A|=sqrt 386$

Explanation:

$"step 1:"$
$"find : "<1,9,7> - <4,-2,-9>$
$<1-4,9+2,7+9>$
$<-3,11,16>$
$"step 2:"$
$"find magnitude of vector : "$
$|A|=sqrt ((-3)^2+11^2+16^2)$
$|A|=sqrt (9+121+256)$
$|A|=sqrt 386$

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What is $|| <1, 9, 7 > - < 4, -2, -9 >||$ ?

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Humanities

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What is || <1, 9, 7 > - < 4, -2, -9 >|||| <1, 9, 7 > - < 4, -2, -9 >||?

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Explanation:

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What is $|| <1, 9, 7 > - < 4, -2, -9 >||$ ?