Ответ:
a) 16 · a = 16 : a
16a = 16/a
a = 1/a
a2 = 1
a = 1, a = -1
б) t · t = t + t
t2 = 2t
t2 - 2t = 0
t(t - 2) = 0
t = 0, t = 2
в) y : 10 = y · 10
y/10 = 10y
y = 100y
100y - y = 0
99y = 0
y = 0
Ответ: а) 1, -1; б) 0, 2; в) 0
a) 16 · a = 16 : a
16a = 16/a
a = 1/a
a2 = 1
a = 1, a = -1
б) t · t = t + t
t2 = 2t
t2 - 2t = 0
t(t - 2) = 0
t = 0, t = 2
в) y : 10 = y · 10
y/10 = 10y
y = 100y
100y - y = 0
99y = 0
y = 0
Ответ: а) 1, -1; б) 0, 2; в) 0