Consider the curves
Where do the curves intersect ?
At (2, 3) only
At ( - 1, - 2) only
At (2, 3) and ( - 1, 2)
Neither at (2, 3) nor at ( - 1, - 2)
Suppose there is a relation * between the positive numbers x and y given by x * y if and only if . Then which one of the following is correct ?
* is reflexive hut not 'transitive and symmetric
* is transitive but not reflexive and symmetric
* is symmetric and relexive but not transitive
* is symmetric but not reflexive and transitive
Consider the function
What is f''(2.5) = ?
- 3
- 2
0
2
B.
- 2