If Δ$$=6i$$−$$3iw43i$$−$$w203iw=x+iy$$ then

Correct option is 4x = 0, y = 0

Questions

If $Δ = |\begin{array}{ccc} 6 i & - 3 i & w \\ 4 & 3 i & - w \\ 20 & 3 & i w \end{array}| = x + i y$ then

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x = 3, y = 1

x = 1, y = 3

x = 0, y = 3

x = 0, y = 0

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detailed solution

Correct option is D

We can writeΔ=−3iw6i114−1−120ii=0∴ x=0,y=0

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If Δ=6i−3iw43i−w203iw=x+iy then

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Ready to Test Your Skills?

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If $Δ = |\begin{array}{ccc} 6 i & - 3 i & w \\ 4 & 3 i & - w \\ 20 & 3 & i w \end{array}| = x + i y$ then