If A = {(x, y): x² + y² ≤ 1, x,y ∈ R} and B = {(x, y): x² + ... — Mathematics | Mockzy

HardMathematics

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If A = {(x, y): x² + y² ≤ 1, x,y ∈ R} and B = {(x, y): x² + y² ≤ 4, x,y ∈ R}, then

A – B = A

B – A = B

A – B = ϕ

B – A = ϕ

Two finite sets have m and n elements respectively. The total number of subsets

If A₁ ⊂ A₂ ⊂ A₃ ⊂ ⋯ ⊂ A₅₀, and n(Aᵢ) = i – 1, then n(⋂ᵢ₌₁₁⁵⁰ Aᵢ) is equal to:

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If A₁ ⊂ A₂ ⊂ A₃ ⊂ ⋯ ⊂ A₅₀, and n(Aᵢ) = i – 1, then n(⋂ᵢ₌₁₁⁵⁰ Aᵢ) is equal to:

Two finite sets have m and n elements respectively. The total number of subsets of first set is 56 m

Which option is representing the given Venn diagram?

If A and B are two sets, then (A – B)∩(B – A)∩(A ∩ B) equals to:

In a town of 10,000 families, it was found that 40% family buy newspaper A, 20% buy newspaper B and

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