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JEE MAIN_2021_
27-8-2021_S2
Question
Let [ $\lambda$ ] be the greatest integer less than or equal to $\lambda$. The set of all values of $\lambda$ for which the system of linear equations $x+y+z=4,3 x+2 y+5 z=3,9 x+4 y+(28+[\lambda]) z=[\lambda]$ has a solution is:
Select the correct option:
A
R
B
$(-\infty,-9) \cup(-9, \infty)$
C
[–9, –8)
D
$(-\infty,-9) \cup[-8, \infty)$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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Question Tags
JEE Main
Mathematics
Medium
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