If a-2-3k-b-2-k- c-3-2k- and a-b-c-p-q-rk- then p-q-r-

The correct option is C 4 #160;b×#160;c =#160;i+3#160;j+5#160;k ...(using determinants). #160;a×(#160;b×#160;c) =(#160;i 2#160;j 3#16 ...

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Nth Term of GP

If a⃗=î-2ĵ-...

Question

If $\to a =^i - 2^j - 3^k, \to b = 2^i +^j -^k$ , $\to c =^i + 3^j - 2^k$ , and $\to a \times (\to b \times \to c) = p^i + q^j + r^k$ , then $p + q + r =$

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Solution

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Similar questions

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

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

\to a + \to b + \to c = 4^i - 4^j

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

\to a + 2 \to b - 3 \to c

\sqrt{78}

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

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

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

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

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

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

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

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

\to c = 3^i +^j + 2^k .

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