If O-A- - 3 - - - - 2k- and O-B- - 5 - - 4 - - k- then find the value of A-B-

To #160; #160;find #160; #160;the #160; value #160; #160;of #160; #160; A⃗B⃗ If #160; #160; #160;O⃗A⃗ = 3i + j 2k #160; ...

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Definition of Vector

If O̅A̅ = 3...

Question

If $¯ O A = 3^i +^j - 2^k$ and $¯ O B = 5^i + 4^j -^k$ then find the value of $¯ A B$

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Solution

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Similar questions

\to r = 2^i + 3^j -^k + λ (^i -^j + 2^k)

\to r = - 3^i + 4^j +^k + μ (^i -^j + 2^k)

\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}

A, B, C

D

3^i - 2^j -^k, 2^i - 3^j + 2^k, 5^i -^j + 2^k

4^i -^j + λ^k

A, B, C

D

λ

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

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

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

\to r \cdot (3^i -^j +^k) = 1

\to r \cdot (^i + 4^j - 2^k) = 2

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