AlexS11 AlexS11
  • 03-12-2017
  • Mathematics
contestada

(√-15)(√-6), with steps please. Thank you.

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altavistard
altavistard altavistard
  • 03-12-2017
If you mult. these two radicals together, you'll combine the radicands -15 and -6 into one amount:  90, and this 90 is under the radical:  sqrt(90).

Now, 9 is a perfect square, tho' 10 is not.  Thus, sqrt(90) = 3sqrt(10)  (ANSWER)
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