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  • 15-09-2018
  • Mathematics
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please help me on question #2

please help me on question 2 class=

Respuesta :

GoddessofDork
GoddessofDork GoddessofDork
  • 15-09-2018
  • Product Rule of Radicals: √ab = √a × √b

So firstly, factor out i (i = √-1):

10i√80

Next, apply the product rule of radicals and simplify the radical as such:

√80 = √10 × √8 = √5 × √2 × √4 × √2 = 2 × 2 × √5 = 4√5

10i × 4√5 = 40i√5

Your final answer is 40i√5.

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