Let a- b-k- and c- be a vector such that a-c-b-0 and a-c-4- then -c-2 is equal to-A- 19-2B- 77-2C- 9D- 8

Given : nbsp; nbsp; a×c= b ⇒ (a× nbsp; nbsp; nbsp; c)×a= b×a ⇒ (a×c)×a= a×b ⇒ (a·a)c (c·a) a= a× nbsp; b ⇒ 2c 4a=a× nbsp; b nbsp; We calcula ...

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Applications of Cross Product

Let a⃗=î-ĵ, b...

Question

Let $\to a =^i -^j, \to b =^i +^j +^k$ and $\to c$ be a vector such that $\to a \times \to c + \to b = \to 0$ and $\to a \cdot \to c = 4$ , then $| \to c |^{2}$ is equal to:

\frac{19}{2}

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\frac{17}{2}

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9

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Similar questions

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

\to c

\to a \times \to c + \to b = \to 0

\to a . \to c = 4

| \to c |^{2}

If $\to a =^i -^j +^k a n d \to b =^j -^k,$ then find a vector $\to c$ such that $\to a \times \to c = \to b a n d \to a . \to c = 3.....$

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

\to b

\to a \times \to b = \to c

\to a \cdot \to b = 3.

| \to b |

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

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

\to c

\to b \times \to c = \to b \times \to a

\to c \cdot \to a = 0

\to c \cdot \to b

\to a =^i +^j +^k

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

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

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

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

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