Question

if x+1/x=4 show that x2+4/x2=4​

Answer 1

x+1/x=4___(1)

___________

Do the square equation (1)

( x+1/x)²=4²

x²+1/x²+2=16

x²+1/x²=16-2

x²=1/x²=14___

Do the square equation. (2).

(x²+1/x²)²=14²

x4+1/x4+2=196

x4+1/x4=196-2

=194...

Hope this answer helps you...

Answer 2

Answer:

Same as above ✌️✌️✌️✌️✌️✌️✌️✌️☺️☺️☺️