A-1 1 1 1 1-x 1 1 1 1-y-

The correct option is C xy Let A=1 amp; 1 amp; 1 1 amp; 1+x amp; 1 1 amp; 1 amp; 1+y By column trasformation on determina ...

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Properties of Determinants

A=1 1 1 ...

Question

$A = ∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣ =$

x y

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x + y

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x - y

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x^{2} y^{2}

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Solution

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Similar questions

Δ = ∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣

x \neq 0, y \neq 0

Δ

D = ∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣

x \neq 0, y \neq 0

D

∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣ =

D =

∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣

x \neq 0, y \neq 0,

∣ ∣ ∣ ∣ \begin{matrix} 1 & 1 & 1 1 & 1 + x & 1 1 & 1 & 1 + y \end{matrix} ∣ ∣ ∣ ∣

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