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Let \([t]\) denote the greatest integer \(\leq t\). Then the equation in \(x,[x]^2+2[x+2]-7=0\) has : [JEE Main 2020, 4 …

Q1

Let \([t]\) denote the greatest integer \(\leq t\). Then the equation in \(x,[x]^2+2[x+2]-7=0\) has :

[JEE Main 2020, 4 Sep (Shift 1)]

a

no integral solution.

b

exactly two solutions.

c

exactly four integral solutions.

d

infinitely many solutions.

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