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Question
For a non-zero integer x, (x4)–3 is equal to ______.
Options
x12
x–12
x64
x–64
Solution
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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