No links please (i) If A=4556, show that, A2 = 10A+I, where I is the units matrix of order - Maths - Matrices

Question

No links please

(i) If A = 4 5 5 6 , show that, A2 = 10A+I, where I is
the units matrix of order 2

Varun Rawat · Accepted Answer

A = 4556LHS = A2 = A 
 A = 45564556 = 16+2520+3020+3025+36 = 41505061RHS = 10A + I=10 4556 + 1001=40505060 + 1001=41505061Hence, LHS = RHS

No links please (i) If A = 4 5 5 6 , show that, A2 = 10A+I, where I is the units matrix of order 2.