Question

x^4+(1/x^4)=?
x+(1/x)=4
x=2+(3^1/2)​

Answer 1

Step-by-step explanation:

x⁴+1/x⁴=?

given

x+ 1/x=4

Taking LCM

x²+1=4x

x²-4x+1=0

x=2+ root 3 or x=2-root 3

therefore x=

substitute x in x⁴+1/x⁴

and you get the answer

Answer 2

Answer:

1)x^8+1/x^4

2)15/4

3)x=7/2