Question

if a sq +9 /a sq =31, what is the value of a-3/a​

Answer 1

Answer:

a²+9/a=31

a²+9=31a

a=a²+9/31

So a-3/a

= a²+9/31 +3 ÷a²+9/31

=31a²+9+93/31×31/a²+9

=31a²+102/a²+9

The value of the equation is 3a²+102/a+9

Hope this helps you friend