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MHT-CET PCM 09 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCM 091 Mark
MCQ
Domain of the function f(x) = $\sqrt{1+4 x-x^2}$ is ______.
  • A
    $-\sqrt{5} \leq x \leq \sqrt{5}$
  • B
    $-2+\sqrt{5} \leq x \leq-2-\sqrt{5}$
  • ✓
    $2-\sqrt{5} \leq x \leq 2+\sqrt{5}$
  • D
    -2 ≤ x ≤ 2
✓

Answer

Correct option: C.
$2-\sqrt{5} \leq x \leq 2+\sqrt{5}$
C

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