If a- and b- are vectors in space given by a-2-5 and b-2-3k-14- then the value of 2a-b-a-b-a-2b- is

The correct option is C 5 p⃗× (q⃗× #160;r⃗) = (p⃗.r⃗)q⃗ (p⃗.q⃗)r⃗ (q⃗× #160;r⃗) ×p⃗ #160;= (p⃗.r⃗)q⃗ + (p⃗.q⃗)r⃗ Hence, #160; E=(2a⃗+b ...

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Integration by Parts

If a⃗ and ...

Question

If $\to a$ and $\to b$ are vectors in space given by $\to a = \frac{^i - 2^j}{\sqrt{5}}$ and $\to b = \frac{2^i +^j + 3^k}{\sqrt{14}}$ , then the value of
$(2 \to a + \to b) . [(\to a \times \to b) \times (\to a - 2 \to b)]$ is

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Similar questions

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

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

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

\to a

\to b

\to a = \frac{^i - 2^j}{\sqrt{5}}

\to b = \frac{2^i +^j + 3^k}{\sqrt{14}}

(2 \to a + \to b) \cdot [(\to a \times \to b) \times (\to a - 2 \to b)]

\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

\to b

\to a = \frac{^i - 2^j}{\sqrt{5}}

\to b = \frac{2^i +^j + 3^k}{\sqrt{14}},

(2 \to a + \to b) . [(\to a \times \to b) \times (\to a - 2 \to b)]

\to a, \to b, \to c

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

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

\to d = 2^i -^j - 3^k

\to a, \to b

\to c

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