Question

If X-1/X=4,then evaluate X2+1/X2​

Answer 1

hey mate!!

squaring

x2+1/x2=16+2

x2+1/x2=18

ans ;

Answer 2

Answer:

Step-by-step explanation:

x-1/x=4

square on both sides

x²+1/x²-2=16

x²+1/x²=18