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Number systems — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumber systems1 Mark
MCQ
The value of $\{2-3(2-3)^3\}^3,$ is:
  • A
    $5$
  • ✓
    $125$
  • C
    $\frac{1}{5}$
  • D
    $-125$
✓

Answer

Correct option: B.
$125$

 We have to find the value of $\{2-3(2-3)^3\}^3.$ So,
$\{2-3(2-3)^3\}^3=\{2-3(-1)^3\}^3$
$=\{2(-3\times-1)^3\}^3$
$=\{2+3\}^3$
$=5^3=125$
The value of $\{2-3(2-3)^3\}^3$ is $125$
Hence the correct choice is $b.$

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