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What is the value of \(\left(-\dfrac{1}{2}\right)^{-3}\)?\(\left(-\dfrac{1}{2}\right)^{-3}\) का मान क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (,-8,)(,-8,)
A negative exponent inverts the fraction, so \(\left(-\dfrac{1}{2}\right)^{-3}=(-2)^3=-8\). In exams, keep the sign of a negative base according to the power.ऋणात्मक घात से भिन्न उलटती है, इसलिए \(\left(-\dfrac{1}{2}\right)^{-3}=(-2)^3=-8\)। परीक्षा में negative base का sign power के अनुसार रखें।
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