If X & Y are 2 x 2 matrices with integer elements such that X3+Y3 = A, then find the det (X + Y)
Y RAJYALAKSHMI
11 Years agoGrade 12th pass
1 Answer
Sher Mohammad
11 Years ago
given X & Y are 2 x 2 matrices with integer elements such that X3+Y3= A, by intuition and checing conditions x=[1 0; 0 0] y=[0 0;0 1] x+y=[1 0;0 1] det(x+y)=1