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madam [21]
3 years ago
12

Simplify d^7(d^-1)^3

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0
<h2>Answer:   d⁴</h2>

Step-by-step explanation:

d⁷ (d⁻¹)³  =  d⁷ (d⁻³)      <em>[using the laws of logarithm to simplify]</em>

             = d⁷ ⁺ ⁽⁻³⁾

             = d⁴

             

<em>It's always good to substitute in numbers to check your answer</em>

<em> 3⁷ (3⁻¹)³ = 81 = 3⁴</em>

<em />

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=========================================================

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