nifesimiakinwale1 nifesimiakinwale1
  • 19-09-2021
  • Mathematics
contestada

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

Respuesta :

JoshEast
JoshEast JoshEast
  • 19-09-2021

Answer:   d⁴

Step-by-step explanation:

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

             = d⁷ ⁺ ⁽⁻³⁾

             = d⁴

             

It's always good to substitute in numbers to check your answer

3⁷ (3⁻¹)³ = 81 = 3⁴

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