Matrix M(r) is defined as ,M(r)=[(r,r-1)...

Matrix `M_(r)` is defined as ,`M_(r)=[(r,r-1),(r-1,r)],r in N ;` value of `det(M_(1))+det(M_(2))+det(M_(3))+..............+det(M_(2007)) is ` `(A) 2007 (B) 2008 (C) (2008)^(2) (D) (2007)^(2) `

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Matrix M_(r) is defined as M_(r) = ({:(r,r-1),(r-1,r):}), r in N. The value of det (M_(1)) + det (M_(2)) + det (M_(3))+ .... ) det (M_(2014)) is

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