Let/ be an identity matrix of order 2 \times 2 and P=[\table 2 , -1 ; 5 , -3]. Then the value of n \in N for which P^{n}=5 l-8 P is equal to [18 Mar 2021 Shift 2]

JEE Main 18 March 2021 Shift 2 Solved Paper

Section: Mathematics

Question : 82 of 90

Marks: +1, -0

Let/ be an identity matrix of order 2×2 and P=[

2	−1
5	−3

]. Then the value of n∈N for which Pn=5l−8P is equal to

[18 Mar 2021 Shift 2]

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