Mathematics · 2020
JEE Main · 4 September 2020, Shift 1 · Q52
Let [t] denote the greatest integer ≤ t. Then the equation in x,[x]^2+2[x+2]-7=0 has:
Let $\displaystyle [t]$ denote the greatest integer $\displaystyle \leq t$. Then the equation in $\displaystyle x,[x]^2+2[x+2]-7=0$ has :
Official answer
(4)
infinitely many solutions.
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JEE Main 2020 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.