Question

if vectorA=2i^-3j^+7k^,B=i^+2k^ and c=j^-k^. find vector A.(vector B*vector C)

Answer 1

Explanation:

8 is the answer then the formula is a.(b×c)

Answer 2

Answer:

0

Explanation:

Given:

A=2i^-3j^+7k^,B=i^+2k^ and c=j^-k^

let assume a number A

$A=\left[\begin{array}{ccc}2&1&0\\-3&0&1\\7&2&-1\end{array}\right]$

by matrix muplication,

=2(0-(2))+1(3-7)+0

=4+(_4)

=0

By multiplying vectorB and vectorC

we get Vector A as 0

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