Question

x+1/x=5/2 find x^2+ 1/x^2, x^3 +1/x^3​

Answer 1

Step-by-step explanation:

x+1/x=5/2

x=1/2

x^2+1/x^2=1/4+1/(1/4)

=1/4+4=17/4

x^3+1/x^3=1/8+1/(1/8)

=1/8+8=65/8