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Given vectors $u$ $=$ $<4,1>$ & $v$ $=$ $<1,3>$ , how would I determine the quantity $3u$ * $-2v$ ?

1 Answer

Oct 9, 2015

$<10,-9>$

Explanation:

By $u**$ I assume we mean $bar u$ , ie the complex conjugate of the vector u.

In this case, $3 baru-2v=3(4;-1)-2(1;3)$
$=(12;-3)-(2;6)=(10;-9)$

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