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JEE MAIN_2021_
27-8-2021_S2
Question
Let $A=\left(\begin{array}{ccc}{[x+1]} & {[x+2]} & {[x+3]} \\ {[x]} & {[x+3]} & {[x+3]} \\ {[x]} & {[x+2]} & {[x+4]}\end{array}\right)$, where $[t]$ denotes the greatest integer less than or equal to $t$. If $\operatorname{det}(A)=192$, then the set of values of x is the interval:
Select the correct option:
A
[68, 69)
B
[62, 63)
C
[65, 66)
D
[60, 61)
✓ Correct! Well done.
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Solution
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Question Tags
JEE Main
Mathematics
Easy
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