Question

(a/2b+2b/a)²-(a/2b-2b/a)²-4

Answer 1

Answer:

0

Step-by-step explanation:

If a/2b is t, the value of 2b/a will be 1/t

$(t+1/t )^2-(t-1/t)^2-4$

$(t^2+2+1/t^2)-(t^2-2+1/t^2)-4$

$4-4=0$