If a-k- b-k- c-k- and d-k- then a-b-c-d-

The correct option is D 8#160;k #160;a×#160;b =(î+ĵ+k̂)×(î+ĵ k̂) = 2î+2ĵ ...(i) #160;c×#160;d =(î ĵ+k̂)×(î ĵ k̂) =2î+2ĵ .. ...

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Applications of Cross Product

If a⃗=î+ĵ+k...

Question

If $\to a =^i +^j +^k, \to b =^i +^j -^k$ , $\to c =^i -^j +^k$ and $\to d =^i -^j -^k$ , then $(\to a \times \to b) \times (\to c \times \to d) =$

0

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3^i - 5^j + 7^k

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5^j - 8^k

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- 8^k

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Solution

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Similar questions

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

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

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

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

| (\to a \times \to b) . (\to c \times \to d) | =

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

\to c = -^i +^j - 4^k

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

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

\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)

\to a = 3^i +^j +^k, \to b =^i -^j + 2^k a n d \to c = 2^i -^j -^k

\to d

¯ d

\to c

\to d

\to a = 10, \to b = 1

\to a = 2^i + 3^j +^k

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

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

\to d

\to a \times \to b = \to d \times \to b, \to d \cdot \to c = 8

\to d . \to b

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