Let {A}=(\table 1 , -1 ,0 ; 0 , 1 , -1 ; 0 , 0 ,1 ) and {B}=7 {A}^{20}-20 {A}^{7}+2 {I},where {I} is an identity matrix of order 3 \\times3. If {B}=[{b}_{{ij}}], then {b}_{13} is equal to _________. [20 Jul 2021 Shift 1]

Matrices and Determinants Part 2

Section: Mathematics

Question : 56 of 100

Marks: +1, -0

Let A=(

) and B=7A20−20A7+2I,where I is an identity matrix of order 3×3. If B=[bij], then b13 is equal to _________.

[20 Jul 2021 Shift 1]

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