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Rational and Irrational Numbers — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSRational and Irrational Numbers1 Mark
MCQ
If $x=3+2 \sqrt{2}$, then $x+\frac{1}{x}=$
  • A
    $4 \sqrt{2}$
  • B
    $6 \sqrt{2}$
  • ✓
    6
  • D
    4
✓

Answer

Correct option: C.
6
C

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