If nA - B-5- nA - B-35- nA-13- find nBA- One pointB- Three pointsC- Two pointsD- Four points

The correct option is B Three points n(A ∪ B) = n(A) + n(B) n(A ∩ B) 35 = 13 + n(B) 5 n(B) = 35 + 5 13 n(B) = 27 ...

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Thermal Expansion

If nA ∩ B=5, ...

Question

If $n (A \cap B) = 5$ , $n (A \cup B) = 35$ , n(A) = 13, find n(B) .

One point

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Three points

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Two points

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Four points

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Solution

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Similar questions

If $A = [(x, y) : x^{2} + y^{2} = 25]$ And $B = [(x, y) : x^{2} + 9 y^{2} = 144], t h e n A \cap B$ contains

A = {(x, y) : x^{2} + y^{2} = 25}

B = {(x, y) : x^{2} + 9 y^{2} = 144}

A \cap B

n (A \cap B) = 5, n (A \cup B) = 35, n (A) = 13,

n (B)

n (A) = 27, n (B) = 35

n (A \cup B) = 50,

n (A \cap B)

n (A) = 25, n (B) = 35

n (A \cap B) = 10

n (A \cup B)

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