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Question
For a non-zero rational number p, p13 ÷ p8 is equal to ______.
Options
p5
p21
p–5
p–19
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Solution
For a non-zero rational number p, p13 ÷ p8 is equal to p5.
Explanation:
Using law of exponents,
am ÷ an = (a)m – n ...[∵ a is non-zero integer]
Similarly, p13 ÷ p8 = (p)13 – 8 = (p)5
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