Maths Question #21 – JEE-MAIN 2026

Question

Let A = [ -1 1 -1 / 1 0 1 / 0 0 1 ] satisfy A^2 + alpha(adj(adj(A))) + beta(adj(A)(adj(adj(A)))) = [ 2 -2 2 / -2 0 -1 / 0 0 -1 ] for some alpha, beta in R. Then (alpha - beta)^2 is equal to _______.

Accepted Answer

The correct answer is Option 4. Full mathematical solution steps and hints are accessible in the interactive StemCET workspace.

Maths Question 21 – JEE-MAIN 2026

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