Set, Relation and FunctionHard
Question
Let f(x) be continuous and differentiabls function for all reals f(x + y) = f(x) - 3xy + f(y).
If
= 7 then the value of f′(x) is :-
If
= 7 then the value of f′(x) is :-Options
A.-3x
B.7
C.-3x + 7
D.2f(x) + 7
More Set, Relation and Function Questions
Let R be the real line. Consider the following subsets of the plane R × R. S = {(x, y) : y = x + 1 and 0...The relation R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 3), (1, 3)} on the set A = {1, 2, 3} is -...The number of elements in the relation $R = \{(x,y)$ : $\left. \ 4x^{2} + y^{2} < 52,x,y \in Z \right\}$ is...Let R be a relation in N defined by R = {(1 + x, 1 + x2) : x ≤ 5, x ∈ N}. Which of the following is false -...If f(x) = (where [.] and {.} represent greatest integer and fractional part function respectively), then -...