Question

The value of the integral is -

• A. [x]
• B. $\frac { 1 } { 2 }$[x]
• C. 3[x]
• D. 2[x]

Answer 1

Answer: (A)

$x$

Answer 2

=

= 2[x]

[Q x – [x] is a periodic function of period 1]

= 2[x] $\left( \frac { 1 } { 2 } - 0 \right)$ = [x].