Question

F(x)= 5x^8- 8x^5. Найти х.

Answer 1

12*(8x^5-5x^8)^11*(40x^4-40x^7)=480*x^(55)(8-5x^3)^11*x^4(1-x^3)=480*x^(59)(8-5x^3)(^11)(1-x^3)2) 10*(4x^10-5x)^9*(40x^9-5)=50*x^9(4x^9-5)^(9)*(8x^9-1)3) 27(1/9-3x^3)^26*(-9x^2)=-x^2*(1/9-3x^3)^26*2434)(x^5-4x^4)^129*(5x^4-4x^3)