The value of the expression `1/4 {(a+1/a)^2-(a-1/a)^2}` is:

A

1

B

4

C

`1/4`

D

`1/2`

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

The value of the expression (1-ax)(1+ax)^(-1)(1+bx)^((1)/(2))(1-bx)^(-(1)/(2)) at x=a^(-1)(2(a)/(b)-1)^((1)/(2))

The value of the expression (cos^(-1)x)^(2) is equal to sec^(2)x .

If a = 1//2, b = 1//4 , then value of the expression 16a + 8b - 10 is ____

What is the value of the expression (x-1)/(x^(3//4) + x^(1//2)) xx (x^(1//2) + x^(1//4))/(x^(1//2) + 1) xx x^(1//4) , when x = 16?