x^2 + 1 by x^2 = 83 . find the value of x^3 – 1 by x^3 Question x^2 + 1 by x^2 = 83 . find the value of x^3 – 1 by x^3 in progress 0 Math 3 days 2021-10-11T05:01:57+00:00 2021-10-11T05:01:57+00:00 1 Answer 0 views 0

## Answers ( )

Answer:Step-by-step explanation:GIVEN:83By using (a+b)^2= a^2+ b^2+2ab,

(x+1/x)^2= 83+2

x+1/x=

now,

(x+1/x)^3= a^3+b^3+3(ab)(a+b)

85= ^3+1/x^3 +3x+3/x