Seudónimo Seudónimo
  • 22-11-2020
  • Mathematics
contestada

HELP ME, PLZ. 100 POINTS !!!
using cauchy theorem, find x:
[tex]13\sqrt{x^{2}-x^{4} }+9\sqrt{x^{2} +x^{4} }=16[/tex]

Respuesta :

Аноним Аноним
  • 24-11-2020

Answer:

x=2√5/5

x=-2√5/5

Step-by-step explanation:

13√(2√5/5)^2-(2√5/5)^4+9√(2√5/5)^2+(2√5/5)^4=16

13√(4×5/25)-(16×25/625)+9√(4×5/25)+(16×25/625)

13√(4/5)-(16/25)+9√(4/5)+(16/25)

13√(4/25)+9√(36/25)

13×2/5+9×6/5

26/5+54/5

16=16 (proven)

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