Question

(3a+1/3a)^2-(3a-1/3a)^2 simplify

Answer 1

Answer: (a - 1)3

Step-by-step explanation:

Answer 2

Refer to the attached image.....

Note>>>

Here I have used

$( {a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

And

$( {a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab$