If a^{\to} and b^{\to} are two arbitary vectors with magnitudes a and b,respectively, \left|\begin{array}{c}a^{\to\end{array} \times b^{\to} ; |}:^{2} is:

Correct Answer is : a2b2 −( a→.b→)2

a 2 b 2 −( a^{\to}.b^{\to}) 2

GATE Civil Engineering (CE) 2011 Solved Paper

Question : 39 of 65

Marks: +1, -0

a↖{→}

and

b↖{→}

are two arbitary vectors with magnitudes a and b,respectively,

{|\table a↖{→} × b↖{→} ; |}:^{2}

is:

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