Find A - B - if A -2 -3 k- and B -2 -3 -4 k-A- -13 -14 -4 k-B- 5 -14 -4 k-C- -14 -4 k-D- -13 -14 -4 k-

The correct option is D 13î 14ĵ+4k̂We have A=2î ĵ+3k̂ and B= 2î+3ĵ+4k̂ nbsp; So, A×B=( 4 9)î (8 ( 6))ĵ+(6 2)k̂ nbsp; = 13î 14ĵ+4k̂ ...

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Multiplication with Vectors

Find A × B , ...

Question

Find $\to A \times \to B$ , if $\to A = 2^i -^j + 3^k$ and $\to B = - 2^i + 3^j + 4^k$

- 13^i - 14^j - 4^k

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5^i + 14^j + 4^k

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5^i - 14^j + 4^k

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- 13^i - 14^j + 4^k

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Solution

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Similar questions

\to A = 3^i + 5^j + 2^k

\to B = 2^i + 4^j + 6^k

\to A = 2^i + 9^j + 4^k

\to B = 6^i +^j -^k

3 \to A - \to B

_{1} = 2 ˆ i + 3 ˆ j + λ (5 ˆ i + 3 ˆ j - 3 ˆ k)

_{2} = ˆ i + 4 ˆ j + λ (3 ˆ i + 2 ˆ j + ˆ k) .

\to c

\to a = 7^i - 4^j - 4^k

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

| \to c | = \sqrt{270},

\to A \times \to B

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

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

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