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Number systems — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
MCQ
$8\sqrt{15}\div2\sqrt{3}$
  • A
    $2\sqrt{5}$
  • ✓
    $4\sqrt{5}$
  • C
    $4\sqrt{15}$
  • D
    None of these.
✓

Answer

Correct option: B.
$4\sqrt{5}$
$\frac{8\sqrt{5}\times\sqrt{3}}{2\sqrt{3}}$
$\Rightarrow\frac{8\sqrt{5}\times\sqrt{3}}{2\sqrt{3}}$
$\Rightarrow\frac{8\sqrt{5}}{2}$
$\Rightarrow4\sqrt{5}$

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