If u(x, y) = ylog(x) + xlog(y), then
uxuy - uxlog(x) - uylog(y) + log(x)log(y) is equal to
0
- 1
1
2
0
C.
If f : R R is an even function which is twice differentiable on R and f''() = 1, then f''(- ) is equal to
- 1
0
1
2
Observe the following statements
I. f(x) =
II.
which of the following is correct ?
I is true, but II is false
Both I and II are true
Neither I nor II is true
I is false, but II is true