# Basic Maths - Grand Test 1 -Q2

The eigen values of a $3\times 3$ matrix $P$ are 1,2 and 3 then $6P^{-1}$ is equal to

$(A)P^3+6P^2-11P+I$

$(B)P^2-6P+11I$

$(C)P^2+6P-11I$

$(D)P^3-6P^2+11P+I$