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Indices — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsIndices1 Mark
Question
Simplify : $\left[\left(\frac{15}{12}\right)^3\right]^4$
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Answer

\begin{aligned}
&\left[\left(\frac{15}{12}\right)^3\right]^4 \\
& =\left(\frac{15}{12}\right)^{3 \times 4}=\left(\frac{15}{12}\right)^{12}
\end{aligned}

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