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प्रश्न
For a non-zero integer x, (x4)–3 is equal to ______.
पर्याय
x12
x–12
x64
x–64
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उत्तर
For a non-zero integer x, (x4)–3 is equal to x–12.
Explanation:
Using law of exponents,
(am)n = (a)m × n = (a)mn ...[∵ a is non-zero integer]
Similarly, (x4)–3 = (x)4 × (–3) = (x)–12
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