Question

explain it whts that ​

Answer 1

Answer:

hope this helps

Step-by-step explanation:

this is algebra, in 1st we have to find the value of A and C by given we have (x+1)^2/x^3 + x = A/x + Bx^2 + C/x^2 + 1

in second, we have to find the value of k by given we have x^2 + 10/(x^2 +1)^2 = k/x^2 + 1 + 9/(x^2 +1)^2 with x=0