If a-2-3k- and b-3-5-2k- then find - a-b -

A=2î+ĵ+3k̂ and b=3î+5ĵ 2k̂ a×b=î amp;ĵ amp;k̂ 2 amp;1 amp;3 3 amp;5 amp; 2 = î( 17) ĵ( 13)+k̂(10 3) = 17î+13ĵ+7k̂ ∴ | a×b | nbsp; =√(( ...

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Subtraction of a Vector

If a=2î+ĵ+3k̂...

Question

If $\to a = 2^i +^j + 3^k$ and $\to b = 3^i + 5^j - 2^k$ , then find $∣ ∣ ∣ \to a \times \to b ∣ ∣ ∣$ .

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\to a \times \to b

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

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

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

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

\to A \times \to B

\to A = 3^i -^j + 3^k

\to B = - 2^i + 3^j + 4^k

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

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

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

\to r = x \to a + y \to b + z \to c

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