Question

If a=9-√4. .find the value of a- 1/a​

Answer 1

Answer:

48/7

Step-by-step explanation:

$a=9-\sqrt{4}\\\sqrt{4}=2\\\\\\a=9-2=7\\=a-\frac{1}{a}\\ =7-\frac{1}{7}\\ =\frac{48}{7}$

Answer 2

Answer:

a = 9-2 =7

7 - 1/7

48/7

is the best answer