Question

a+1/a=17/4is given find( a-1/a)​

Answer 1

Answer:15/4

Step-by-step explanation:here you go

Answer 2

Answer:

here ,

a+1/a= 17/4

cross multiplying,

4a +4=17a

17a-4a=4

13 a =4

a= 4/13

substituting in a-1/a

4 / 13 - 1/4/13

= 4/13 - 13/4

= 16/52 -169/52  (making denominator equal)

= 153/52

hope it helps......