If a- - -3- -2k- -b- -3- -4k- and c- -2k- -3- find a-b- -c-

(a⃗×b⃗).c⃗=| 1 amp; 3 amp; 2 0 amp; 3 amp; 4 3 amp; 0 amp; 2 | =1(6 0)+3(0+12)+2(0+9) =6+36+18=60 ...

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Skew Symmetric Matrix

If a⃗ =î -3...

Question

If $\to a =^i - 3^j + 2^k, \to b = 3^j + 4^k$ and $\to c = 2^k - 3^i$ , find $(\to a \times \to b) . \to c$ .

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\to a = 3^i + 2^j + 2^k, \to b = -^i + 3^j -^k, \to c =^i +^j +^k

\to a \times (\to b \times \to c)

(\to a \times \to b) \times \to c

\to a = 3^i - 2^j +^k,

\to b = 2^i - 4^j - 3^k, \to c = -^i + 2^j + 2^k

\to a + \to b + \to c = 4^i - 4^j

\to a =^i -^j + 2^k, \to b = 2^i + 3^j +^k, \to c =^i -^k

\to a + 2 \to b - 3 \to c

\sqrt{78}

\to a = 2^i - 3^j + 4^k, \to b =^i -^j + 2^k

\to c = 6^i - 3^j +^k

\to d

\to a

\to b

\to c . \to d = 2

\to a = 2^i - 3^j + 5^k, \to b = 3^i - 4^j + 5^k

\to c = 5^i - 3^j - 2^k

\to a + \to b, \to b + \to c, \to c + \to a

If \to a = 2^i + 3^j +^k, \to b =^i - 2^j +^k and \to c = - 3^i +^j + 2^k,

[\to a \to b \to c] .

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