1) 12t^2 - 343y^2 - 12ty - t^2 = 11t^2 - 12ty - 343y^2
2) 2/(t^2 - 7ty) - 1/(ty - 7y^2) + 1/(p^2 - 121) - 1/(p^2 + 11p)= (2(ty - 7y^2) - (t^2 - 7ty) + (p^2 + 11p) - (p^2 - 121)) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))= (2ty - 14y^2 - t^2 + 7ty + p^2 + 11p - p^2 + 121) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))= (11t^2 - 12ty - 7y^2 + 11p + 121) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))
Представление в виде дроби:1) 12c + 12/c = (12c^2 + 12) / c
1) 12t^2 - 343y^2 - 12ty - t^2 = 11t^2 - 12ty - 343y^2
2) 2/(t^2 - 7ty) - 1/(ty - 7y^2) + 1/(p^2 - 121) - 1/(p^2 + 11p)
= (2(ty - 7y^2) - (t^2 - 7ty) + (p^2 + 11p) - (p^2 - 121)) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))
= (2ty - 14y^2 - t^2 + 7ty + p^2 + 11p - p^2 + 121) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))
= (11t^2 - 12ty - 7y^2 + 11p + 121) / ((t^2 - 7ty)(ty - 7y^2)(p^2 - 121)(p^2 + 11p))
Представление в виде дроби:
1) 12c + 12/c = (12c^2 + 12) / c