Set, Relation and FunctionEasy
Question
If A and B are disjoint, then n(A ∪ B) is equal to-
Options
A.n(A)
B.n(B)
C.n(A) + n(B)
D.n(A) . n(B)
More Set, Relation and Function Questions
If w = α + iβ, where β ≠ 0 and z ≠ 1, satisfies the condition that is purely real, then the s...Domain of definition of the function f(x) = + log10 (x3 - x), is...Let R be a relation on the set N of natural numbers defined by nRm ⇔ n is a factor of m (i.e. n | m). Then R is -...Let ƒ : ℝ→ℝand g :ℝ→ℝ be two non-constant differentiable functions. If ƒ&#...A set is defined as A = {x : x is irrational and 0.1 < x < 0. 101} then :...