Find deteminant

Engineering

Mathematics

Introduction to Determinants

Question

Find deteminant $[\begin{array}{cc} 1 & 0 \\ 0 & 2 \end{array}]$

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Let the matrix be Δ

Δ = [\begin{array}{ll} 1 0 \\ 0 2 \end{array}]

Now

Δ = [\begin{array}{ll} 1 0 \\ 0 2 \end{array}]

Δ = (2 – 0)

Hence
Δ = 2

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