Question

if x-1/x=4.Then x square+1/x square=?​

Answer 1

Answer:

x- 1/x=4...given

squaring b.s we get

x^2 +1/x^2 -2 =16..(applied identity (a-b)^2)

x^2 + 1/x^2 =18

hope it helps

thanks for arising this question...