If a-4-4-7k- then the value of -a-a-k-a-k-

The correct option is D 8î+8ĵ 14k̂ (i×(a⃗× i))+(j×(a⃗× j))+(k×(a⃗× k)) =(a⃗(i.i) i(a⃗.i))+(a⃗(j.j) i(a⃗.j))+(a⃗(k.ki) i(a⃗.k)) =a⃗+i(a_x)+a ...

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Applications of Cross Product

If a⃗=4î+4ĵ...

Question

If $\to a = 4^i + 4^j - 7^k$ , then the value of $^i \times (\to a \times^i) +^j \times (\to a \times^j) +^k \times (\to a \times^k) =$

4^i + 4^j - 7^k

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8^i + 8^j - 14^k

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8^i - 8^j - 14^k

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4^i - 4^j - 7^k

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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 =^i - 2^j +^k = - 2^i + 4^j + 5^k

\to c =^i - 6^j - 7^k .

\to a = 3^j - 2^j + 7^k, \to b = 5^i +^j - 2^k

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

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

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

\to c = 4^i - 3^j + 7^k

\to r \times \to b = \to c \times \to b

\to r . \to a = 0

^i - 2^j +^k

4^i - 4^j + 7^k

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