Question

x+1/x=8 find x^2+1/x^2​

Answer 1

Answer:

50

Step-by-step explanation:

see

x+1=8x

7x=1

x=1/7

so x^2+1/x^2

=(x^2/x^2)+1/x^2........ just seperated that

=1+1/x^2

=1+1/(1/7)^2

=1+7^2

=1+49

=50