If a-i-2j-3k-b-2i-j-k-c-i-3j-2k- then a-b-c- is

The correct option is D 5(i⃗ 3j⃗ 4k⃗) Given: a⃗=î 2ĵ 3k̂, b⃗=2î+ĵ k̂ and c⃗=î+3ĵ 2k̂ a⃗×b⃗=| î amp; ĵ #160; amp; k̂ 1 amp; ...

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Cross Product

If a⃗=i⃗-2j...

Question

If $\to a = \to i - 2 \to j - 3 \to k, \to b = 2 \to i + \to j - \to k, \to c = \to i + 3 \to j - 2 \to k$ then $(\to a \times \to b) \times \to c$ is

(- 3 \to i + 16 \to j + 19 \to k)

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4 (- \to i + 3 \to j + 4 \to k)

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- 5 (\to i - 3 \to j - 4 \to k)

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4 (\to i + 3 \to j + 4 \to k)

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Solution

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Similar questions

\to r = 3 \to i + 2 \to j - 5 \to k

\to a = 2 \to i - \to j + \to k

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

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

\to r = λ \to a + μ \to b + ν \to c

\to A = 2 \to i + \to k, \to B = \to i + \to j + \to k,

\to C = 4 \to i - 3 \to j + 7 \to k

\to R

\to R \times \to B = \to C \times \to B

\to R . \to A = 0

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

\to r

\to c

| \to r | = ∣ ∣ \to a + \to b ∣ ∣

\to r

2 \to i + 3 \to j + 4 \to k, 3 \to i + 2 \to j - 3 \to k

5 \to i + 5 \to j + \to k

3 \to i + \to j - 2 \to k

\to i - 3 \to j + 4 \to k

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