Question

smplify (a+1/a)2-(a-1/a)2​

Answer 1

Answer:

(a+

a

1

)

2

−(a−

a

1

)

2

a

2

+

a

2

1

+2−a

2

−

a

2

1

+2

2+2=4

Answer 2

Answer:

4/a

Step-by-step explanation:

   (2a+2/a) - (2a - 2/a)

=  2a + 2/a -2a + 2/a                     [Open the parentheses]

=  2/a + 2/a

=  4/a