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Number systems — MATHS STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9MATHSNumber systems1 Mark
Question
The value of $\{2-3(2-3)^3\}^3,$ is:
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Answer

  1. $125$
    Solution:
    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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