Question

If [ . ] denotes greatest integer function, then

is equal to -

• A. 5
• B. 4
• C. 3
• D. None of these

Answer 1

Answer: (C)

3

Answer 2

I = ..... (i)

̃ I = $\int _ { 2 } ^ { 8 } \frac { \left[ ( 10 - x ) ^ { 2 } \right] } { \left[ x ^ { 2 } \right] + \left[ ( x - 10 ) ^ { 2 } \right] } d x$ ..... (ii)

\ 2 I = = 6 ̃ I = 3