Find -a-b- if a-7-7k- and b-3-2-2k- -

We have, a⃗=î 7ĵ+7k̂ and b⃗=3î 2ĵ+2k̂ #10; a×b⃗=î #160; amp; ĵ #160; amp; #10;k 1 amp; 7 amp; 7 3 amp; 2 amp; 2 ...

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General Solution of a Differential Equation

Find |a⃗×b⃗...

Question

Find $| \to a \times \to b |$ , if $\to a =^i - 7^j + 7^k$ and $\to b = 3^i - 2^j + 2^k$ .

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Solution

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Similar questions

\to a = 2^i + 5^j + 8^k, \to b =^i + 3^j + 7^k

\to c = 3^i + 2^j +^k

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

\to a + \to b

\to a - \to b

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

\to b =^i + 2^j - 2^k

\to a + \to b

\to a - \to b

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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 + 2^k

\to b =^i + 2^j - 2^k

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\to a + \to b

\to a - \to b

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