Question

solve the given question​

Answer 1

it's fund the value of x by adding

Answer 2

Answer:

x+1/x=4

squaring both sides

x²+1/x²+2=16

x²+1/x²=14

now again squaring both the sides

x⁴+1/x⁴+2=256

x⁴+1/x⁴=254