brockoli98 brockoli98
  • 27-05-2015
  • Mathematics
contestada

Solve the system
6x^2-y^2-15=0
X^2+y^2-13=0

Respuesta :

MrWinner MrWinner
  • 27-05-2015
Here is the answer:
6x^2-y^2-15=0    
                       +
X^2+y^2-13=0   
______________

7x^2-28=0
7x^2=28/7
x^2=4
x=√4
x=2
              Now we have to find Y
2^2+y^2-13=0
4+y^2-13=0
y^2-9=0
y^2=9
y=√9
y=3





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