Find A - B- if A -2 -4 k- and B -3 - -A- -6 k-12 -B- 4 -k-C- -4 -k-D- 10 -8 k-

The correct option is A 6k̂+12 î(A×B) = (2î+ 4 k̂) × ( 3ĵ) = (2î× 3 ĵ)+ (4k̂× 3 ĵ) = 6k̂+12 î ...

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Vector Addition

Find A × B, i...

Question

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

- 6^k + 12^i

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4^i +^k

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- 4^i -^k

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10^i + 8^k

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Solution

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Similar questions

\to A \times \to B

\to A =^i + 4^k and \to B = -^j

\to A \times \to B,

\to A =^i + 4^k

\to B = -^j

If the vectors $\to a = 2^i - 3^j + 4^k a n d \to b = - 4^i + x^j - 8^k$ are collinear, the x =

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

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

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

Show that the vectors $2^i - 3^j + 4^k a n d - 4^i + 6^j - 8^k$ are collinear.

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