Question

if a-1/a=4 then 3a/a2+a-1=? ​

Answer 1

Answer:

a - 1/a =4

a -1 = 4a

a - 4a = 1

-3a = 1

a = -1/3

Step-by-step explanation:

Putting the value of a

3a/a2 + a -1 = (3 × -1/3) / -(1/3 )2 + (-1/3-1)

= -1 / -1/9 -4/3

= 9 - 4/3

= (27 - 4) / 3

= 23/3