Question

If x +1/x=3 then x^5+1/x^5 is equal to​

Answer 1

Answer:

Given X+1/X =3. Therefore (x+1/x)^2=x^2+1/x^2+2 =9, so x^+x^2=7. =x^5+1/x^5+x+1/X= 18×7=126. Hence x^5+1/x^5=126-3=123.