Question

pls answer quicklyyyyyyy plsssssssssssssssssssss

Answer 1

Answer:

(x+1/x)^2 = (7)^2 { squaring both sides}

x^2+1/x^2+2×x×1/x = 49

x^2+1/x^2= 49-2

x^2+1/x^2= 47

hence 47 is the answer.