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Question

Which of the following is the formula for cofactor of an element aij ?

Options :

  1. Aᵢⱼ=(1ᶦ⁺ʲ Mᵢⱼ

  2. Aᵢⱼ=(-2)ᶦ⁺ʲMᵢⱼ

  3. Aᵢⱼ=(-1)ᶦ⁺ʲ Mᵢⱼ

  4. Aᵢⱼ=(-1)ᶦ⁻ʲ Mᵢⱼ

Show Answer

Answer :

Aᵢⱼ=(-1)ᶦ⁺ʲ Mᵢⱼ

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