The system of linear equations | Matrices |JEE MAIN 2019

JEE Main 2019

9-01-2019 S1

Question

The system of linear equations $$ \begin{aligned} & x+y+z=2 \\ & 2 x+3 y+2 z=5 \\ & 2 x+3 y+\left(a^2-1\right) z=a+1 \end{aligned} $$

Select the correct option:

has infinitely many solutions for a = 4

is inconsistent when a $|\mathrm{a}|=\sqrt{3}$

has a unique solution for $|a|=\sqrt{3}$

is inconsistent when $\mathrm{a}=4$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Easy

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