Question

a-1/a=9 ise a2+1/a2=

Answer 1

Step-by-step explanation:

In first,

a-1/a=9

a-1=9a

-1=9a-a

-1/8=a

Second question write properly not understanding anything.

Hope it will help you.Please mark as brainliest answer than you also get point.

Answer 2

Answer:

a-1/a=9

a-1=9a

a=-1/8

now keep this value to

a2+1/a2

=-1/8×2-1/2/8

=-1/4-4/1

=-1-16/4

=-15/4