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If X & Y are 2 x 2 matrices with integer elements such that X3+Y3 = A, then find the det (X + Y):forA see attachement

Y RAJYALAKSHMI , 10 Years ago
Grade 12th pass
anser 1 Answers
Y RAJYALAKSHMI

Last Activity: 10 Years ago

by verification (trial and error) we can find that X = [ -1 0; 0 -1] & Y = [0 1; 0 -1].   det (X + Y) =  2

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