Question

please solve this question
​

Answer 1

Answer:

by componendo dividendo

Step-by-step explanation:

fchkbmz.zuk✍❤✝☺✍❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺❤✝☺

Answer 2

Answer:

x=3

Step-by-step explanation:

by cross multiplication we get

(x+1)(x^2-x+1)/(x-1)(x^2+x+1)=14/13

as we know a^3 – b^3 = (a – b) (a^2 + ab + b^2 )

                    a^3 + b^3 = (a + b) (a^2 - ab + b^2 )

here

x^3+1^3/x^3-1^3=14/13

13*x^3+13=14*x^3-14

x^3=27

x=3