If A -3 -2 k- and B -2 -2 -4 k- then find the value of - A - BA- 194 B- 4 -3- 12 -3D- 8 -2

The correct option is D A⃗×B⃗=î amp; ĵ amp; k̂ 3 amp; 1 amp; 2 2 amp; 2 amp; 4 =(1×4 2× 2)î+(2×2 4×3)ĵ+(3× 2 1×2)k̂ = 8ĵ 8k̂ ∴ Magnitud ...

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Equation of a Line Passing through 2 Points

If A =3 î+ĵ+2...

Question

If $\to A$ = $3^i +^j + 2^k$ and $\to B$ = $2^i - 2^j + 4^k$ then find the value of $| \to A \times \to B |$ .

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194

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3^i -^j + 2^k

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

Find the sine of the angle between the vectors $\to a = 3^i +^j + 2^k a n d \to b = 2^i - 2^j + 4^k$ .

\to A \times \to B

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

\to B = 2^i -^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

q

2^i - 2^j + 4^k

3^i +^j + 2^k

sin q =

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