Question

x+1/x=4 find it x^2+1/x^2 and x4+1/X^4=?​

Answer 1

Step-by-step explanation:

x + 1/x=4

squaring both side

x²+1/x²+2.x.1/x=16

x²+1/x²=14.......(1)

Again squaring both side in eqn (1)

x⁴+1/x⁴+2.x².1/x²=196

x⁴+1/x⁴=194