Question

if x+1/x=5,then the value of x²+1/x²​

Answer 1

Step-by-step explanation:

if x+1/x =a

then x²+1/x²= a²-2

x+1/x=5

x²-1/x²=5²-2

x²-1/x²=25-2

x²-1/x²=23

#666