If the system of linear equations- x-4y-7z-7g- 3y-5z-h- -2x-5y-9z-k -is consistent- then -

Δ = 1 amp; 4 amp;7 0 amp;3 nbsp; amp; 5 2 amp; 5 amp; 9 =0 Since, system of linear equations is consistent, ∴Δ=Δ_1=Δ_2=Δ_3=0 Δ_3=0 ⇒ ...

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Cramer's Rule

If the system...

Question

If the system of linear equations
$\begin{matrix} x - 4 y + 7 z = 7 g 3 y - 5 z = h - 2 x + 5 y - 9 z = k \end{matrix}$

is consistent, then :

2 g + h + k = 0

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g + 2 h + k = 0

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g + h + 2 k = 0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

g + h + k = 0

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\begin{matrix} x - 4 y + 7 z = 7 g 3 y - 5 z = h - 2 x + 5 y - 9 z = k \end{matrix}

\begin{matrix} x - 4 y + 7 z = 7 g 3 y - 5 z = h - 2 x + 5 y - 9 z = k \end{matrix}

4 y + 6 z = 5, 2 x + 3 y + 5 z = 5

6 x + 5 y + 9 z = 10

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