Ответ:
х=6/у
36/у²-у²=5
5у²=36-у⁴
у⁴+5у²-36=0
у²=q
q²+5q-36=0
D=(5)²-4*1*(-36)=169
q12=-b±√D/2a=-5±13/2=>
q1=+4
q2=-9
y²=4
y²≠-9
y=±2
x=6/2=3
x=6/-2=-3
(3;2) и (-3;-2)
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Ответ:
х=6/у
36/у²-у²=5
5у²=36-у⁴
у⁴+5у²-36=0
у²=q
q²+5q-36=0
D=(5)²-4*1*(-36)=169
q12=-b±√D/2a=-5±13/2=>
q1=+4
q2=-9
y²=4
y²≠-9
y=±2
x=6/2=3
x=6/-2=-3
(3;2) и (-3;-2)