Question

Guys plz try to solve it​

Answer 1

Answer:

x+y=a

xy=b

1/

${1 \ x}^{3}$

Answer 2

Answer:

1/b^3

Step-by-step explanation:

If x+y=a and xy=b

then 1/x^3 +1/y^3=x^3y^3/(xy)^6

(xy)3/b^3