Question

Choose the correct alternative.

If A = diag [d₁, d₂, d₃,...,d_n], where di ≠ 0, for i = 1, 2, 3,...,n, then A^–1 = _______

Options

• `"diag".[1/"d"_1, 1/"d"_2, 1/"d"_3,......,1/"d"_"n"]`,

• D

• I

• O

Answer 1

If A = diag [d₁, d₂, d₃,...,d_n], where di ≠ 0, for i = 1, 2, 3,...,n, then A^–1 = `"diag".[1/"d"_1, 1/"d"_2, 1/"d"_3,......,1/"d"_"n"]`,