Question

if x+1/x=3 then the value of 4x^3+x^2+1/x^3+4/x^3 is what

Answer 1

Hi..

Firstly takeout the value of x by the following process:

x+1/x =3
1/x =3-x
1 = 3-x2
1-3 = -x2
-2 = -x2
√2 = x

x=underoot 2

Then put the value of x in the equation to get the answer.



Hope it helps:-)