Question

if x+1/x=5 find x2+1/x2​

Answer 1

3 is the answer.

Plz mark it barinliest

Answer 2

(x+1÷x) =5

⇒(1+1÷x)×1/2=5/2

⇒1/2+2/4x =5/2                                           [multiplying 1/2x with 2/2]

⇒1/x =4

then put the value of 1/x in the second equation to find the value.