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Applied Mathematics · 2026 · 3 marks
CBSE 2026 · Central · Set 4 · Q27
Using Cramer’s rule, show that the following system of linear equations is consistent and hence solve it: 2 x -3 y +5 z =11 3 x +2 y -4 z =-5 x + y…
Using Cramer’s rule, show that the following system of linear equations is consistent and hence solve it :
$\displaystyle 2 \mathrm{x}-3 \mathrm{y}+5 \mathrm{z}=11$
$\displaystyle 3 \mathrm{x}+2 \mathrm{y}-4 \mathrm{z}=-5$
$\displaystyle \mathrm{x}+\mathrm{y}-2 \mathrm{z}=-3$
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CBSE Class 12 Applied Mathematics past-paper question from the 2026 board exam. Where our answers come from.