СРОЧНО!! ПОМОГИТЕ Решение СИСТЕМ. Пожалуйста напишите решение каждой системы. Не мало балов
Зарание СПАСИБО

б) x^2 - y = 2X + y = 4x^2 - (4-x) = 2y = 4 -xx^2 + x - 6 = 0y = 4-xD = 1 + 24 = 5^2X1 = (-1 + 5)/2 = 2X2 = (-1-5)/2 = -3Y1 = 4-2 = 2Y2 = 4-(-3) = 7в) x^2 + y^2 = 25xy = 12x^2 + (12/x)^2 = 25y = 12/xX^2 + 144/x^2 = 25|*x^2Y = 12/xX^4 - 25x^2 + 144 = 0Y = 12/xПусть x^2 = t, t>=0T^2 - 25t +144 = 0D = 625 - 576 = 49 = 7^2T1 = (25+7)/2 = 16T2 = (25-7)/2 = 9X^2 = 16X1 = 4Y1 = 12/4 = 3X2 = -4Y2 = 12/-4 = -3X^2 = 9X1 = 3Y1 = 12/3 = 4X2 = -3Y2 = 12/-3 = -4б) y - 5x = 3- x^2 - 2xy + y^2 = -1Y = 3+5x-x^2 -2x(3+5x) + (3+5x)^2 = -1Y = 3+5x-x^2 - 6x - 10x^2 + 9 + 30x + 25x^2 = -1Y = 3+5x14x^2 + 24x + 10 = 0Y = 3+5x7x^2 + 12x + 5 = 0D = 144 - 140 = 2^2X1 = (-12+2)/14 = -5/7X2 = (-12-2)/14 = -1Y1 = 3 + 5*(-5/7) = 3 - 25/7 = 4/7Y2 = 3 + 5*(-1) = -2в)x^2 + y^2 + 2xy = 49X - y = 3(3 + y)^2 + y^2 + 2y(3 + y) = 49X = 3 + y9 + 6y + y^2 + y^2 + 6y + 2y^2 = 49X = 3+y4y^2 + 12y - 40 = 0X = 3+yY^2 + 3y - 10 = 0X= 3+yD= 9 + 40 = 7^2Y1 = (-3+7)/2 = 2Y2 = (-3-7)/2 = -5X1 = 3+2 = 5X2 = 3 -5 = -2