Difference of Sets
Trending Questions
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- B
- ϕ
- A
- A∪B
n(A∩B)=5, then n(B−A)=
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If A = {3, 6, 9, 12, 15, 18, 21}
B = {2, 4, 6, 8, 10, 12, 14, 16}
C = {5, 10, 15, 20}
AB 1. B−C A. {5, 10, 20} 2. A−C B. {3, 9, 15, 21} 3. C−(A−B) C. {3, 6, 9, 12, 18, 21} 4. C∩(A−B) D. {15} E. {2, 4, 6, 8, 12, 14, 16}
1 - E, 2 -C, 3 - D, 4 - A
1 - E, 2 -C, 3 - A, 4 - D
1 - C, 2 -A, 3 -E, 4 - D
1 - C, 2 -A, 3 -D, 4 - E
n(A∩B)=5, then n(B−A)=
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A={m∈R:both the roots of x2−(m+1)x+m+4=0 are real} and B=[−3, 5).
Which of the following is not true ?
- A−B=(−∞, −3)∪(5, ∞)
- A∩B={−3}
- B−A=(−3, 5)
- A∪B=R
- False
- True
यदि दो अरिक्त समुच्चय A व B इस प्रकार हैं कि A ∩ B = B, तब
- A ⊂ B
- B ⊂ A
- A = φ
- B = φ
- (0, 1)
- (0, 2)
- (1, 3]
- (0, 1]
- A and B are disjoint sets
- A is contained in B
- B is contained in A
- A and B are both Null Sets
(x2+3)(x−2)(3−x)⩾0 का सम्पूर्ण हल समुच्चय किसके द्वारा दिया गया है?
- [2, 3]
- [2, 3)
- [–3, –2]
- (0, 3)
- False
- True
A = {φ, {φ}} के उपसमुच्चयों की संख्या है
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- Zero
शून्य - 1
- 4
U={x:x is a natural number & x≤10}
A={a:a is an even number & a≤10}
B={b:b is a prime number & b≤9}
Then, Ac∩Bc is
{2, 4, 6, 8}
{3, 5, 7}
{1, 9, 10}
{2, 3, 5, 7}