t²+y²=25
+
t²−y²=7
2t² = 32
t² = 16
t1 = - 4; y²=25 -t² = 25 -16 = 9; y1= -3; y2 = 3
t2 = 4; y²=25 -t² = 25 -16 = 9; y3= -3; y4 = 3
ответ
t = - 4; y= -3;
t = - 4; y = 3
t = 4; y= -3;
t = 4; y = 3
ответ прикреплен во вложении
t²+y²=25
+
t²−y²=7
2t² = 32
t² = 16
t1 = - 4; y²=25 -t² = 25 -16 = 9; y1= -3; y2 = 3
t2 = 4; y²=25 -t² = 25 -16 = 9; y3= -3; y4 = 3
ответ
t = - 4; y= -3;
t = - 4; y = 3
t = 4; y= -3;
t = 4; y = 3