If a, b, c are any three vectors and their inverse are \[{{\mathbf{a}}^{-1}},\,{{\mathbf{b}}^{-1}},\,{{\mathbf{c}}^{-1}}\]and \[[\mathbf{a}\,\mathbf{b}\,\mathbf{c}]\ne 0,\] then \[[{{\mathbf{a}}^{-1}}\,{{\mathbf{b}}^{-1}}\,{{\mathbf{c}}^{-1}}]\] will be [Roorkee 1989]

If a, b, c are any three vectors and their inverse are \[{{\mathbf{a}}

1.	If a, b, c are any three vectors and their inverse are \[{{\mathbf{a}}^{-1}},\,{{\mathbf{b}}^{-1}},\,{{\mathbf{c}}^{-1}}\]and \[[\mathbf{a}\,\mathbf{b}\,\mathbf{c}]\ne 0,\] then \[[{{\mathbf{a}}^{-1}}\,{{\mathbf{b}}^{-1}}\,{{\mathbf{c}}^{-1}}]\] will be [Roorkee 1989]
A.	Zero
B.	One
C.	Non-zero
D.	[a b c]
Answer» D. [a b c]

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If a, b, c are any three vectors and their inverse are \[{{\mathbf{a}}^{-1}},\,{{\mathbf{b}}^{-1}},\,{{\mathbf{c}}^{-1}}\]and \[[\mathbf{a}\,\mathbf{b}\,\mathbf{c}]\ne 0,\] then \[[{{\mathbf{a}}^{-1}}\,{{\mathbf{b}}^{-1}}\,{{\mathbf{c}}^{-1}}]\] will be [Roorkee 1989]

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