jee-main 2022 Q70

jee-main · India · session1_26jun_shift1 Simultaneous equations

The ordered pair $( a , b )$, for which the system of linear equations $3 x - 2 y + z = b$ $5 x - 8 y + 9 z = 3$ $2 x + y + a z = - 1$ has no solution, is
(1) $\left( 3 , \frac { 1 } { 3 } \right)$
(2) $\left( - 3 , \frac { 1 } { 3 } \right)$
(3) $\left( - 3 , - \frac { 1 } { 3 } \right)$
(4) $\left( 3 , - \frac { 1 } { 3 } \right)$

The ordered pair $( a , b )$, for which the system of linear equations\\
$3 x - 2 y + z = b$\\
$5 x - 8 y + 9 z = 3$\\
$2 x + y + a z = - 1$\\
has no solution, is\\
(1) $\left( 3 , \frac { 1 } { 3 } \right)$\\
(2) $\left( - 3 , \frac { 1 } { 3 } \right)$\\
(3) $\left( - 3 , - \frac { 1 } { 3 } \right)$\\
(4) $\left( 3 , - \frac { 1 } { 3 } \right)$

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