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Observe the following lists :

List I List 2

$(A)\;[ \overrightarrow {a} \;\overrightarrow {b} \;\overrightarrow {c} ] $

$(B)\;(\overrightarrow {c} \times \overrightarrow {a}) \times \overrightarrow {b}$   

$(C)\;\overrightarrow {a} \times (\overrightarrow {b} \times \overrightarrow {c})$

$(D)\;\overrightarrow {a}. \overrightarrow {b}$     

$1.\;|\overrightarrow {a} | \; |\overrightarrow {b}| \cos (\overrightarrow {a} .\overrightarrow {b})$

$2.\;(\overrightarrow {a}.\overrightarrow {c})\overrightarrow {b}-(\overrightarrow {a}.\overrightarrow {b})\overrightarrow {c}$

$3. \;\overrightarrow {a} \times \overrightarrow {b} \times \overrightarrow {c}$

$4. \;|\overrightarrow {a}|\; |\overrightarrow {b} |$

$5.(\overrightarrow {b}.\overrightarrow {c}) \overrightarrow {a}-(\overrightarrow {a}. \overrightarrow {b})\overrightarrow {c}$      

Then the correct match for List I from List II is : 

          A       B       C        D

(a)     1       2       3         4

(b)     3       5        2        1

(c)     3       5        5        1 

(d)    3       2         1        5 

Can you answer this question?

1 Answer

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answered Feb 27, 2014 by meena.p

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