The value of a - b - 2 isa a - 2- b - 2- a - b - 2b a - 2 b - 2-a - b - 2c a - 2-b - 2-2 a - b -d a - 2- b - 2- a - b -

(b) #160;a #160; #8594;2 #160; #160;b #160; #8594;2 #160;a #160; #8594; #183;b #160; #8594;2 a #8594;. #160;b #8594;2+a #85 ...

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Derivative of One Function w.r.t Another

The value of ...

Question

The value of ${(\vec{a} \times \vec{b})}^{2}$ is

(a) ${|\vec{a}|}^{2} + {|\vec{b}|}^{2} - {(\vec{a} \cdot \vec{b})}^{2}$

(b) ${|\vec{a}|}^{2} {|\vec{b}|}^{2} - {(\vec{a} \cdot \vec{b})}^{2}$

(c) ${|\vec{a}|}^{2} + {|\vec{b}|}^{2} - 2 (\vec{a} \cdot \vec{b})$

(d) ${|\vec{a}|}^{2} + {|\vec{b}|}^{2} - \vec{a} \cdot \vec{b}$

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[\vec{a} \vec{b} \vec{a} \times \vec{b}] + {(\vec{a} . \vec{b})}^{2} =

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∣ ∣ ∣ ∣ ∣ \begin{matrix} 1 + a^{2} - b^{2} & 2 a b & - 2 b 2 a b & 1 - a^{2} + b^{2} & 2 a 2 b & - 2 a & 1 - a^{2} - b^{2} \end{matrix} ∣ ∣ ∣ ∣ ∣

^{2}

^{2}

^{2}

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