Class 11 Math Important question of Set 2019 Q15

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[anamikasinghrajput]

Best line--- problm ye h ki iss typ ke question kaese bnae...!!? 🔥🔥🔥🔥🔥

[noobdaplayer]

Ques. For any two sets A and B, Show that the following statements are equivalent:
(i)A is subset of B
(ii)A-B = phi
(iii)A union B =B
(iv)A intersection B = A
(SIR ISS QUESTION MEIN MUJHE SAMAJH NAHI AA RAHA HAI KI KYA KARNA HAI AUR KAISE KARNA HAI. SIR PLEASE JALDI ISKA ANSWER BTAIYE 😢😢😢 )

[Ranveerpandeyrockstar]

#Right answer is option C .
The intersection of set A and B is the common part of both Set A & B i.e is in the middle and then the Complement of set A and B is the remaining portion .

[nareshsaluja]

In the last of this que, we can directly say a=b without using subset condition

[Aarav...]

Answer is option c
Sir your videos are mind blowing 😍 if I am not understand any question from maths
So I watch your videos an then ...
I find that my all doubts are clear
Thank you sir for making videos...
You are superb ✌️🤘🥰

[rishabhsinghrajput]

Sir aap ke jaisa koi nhi hai jo Etna badhiya se samjha paye

[PushpaDevi-jrwq]

sir answer of last question is option C ...

Thank you sir for such an amazing explanation ❤❤✌✌✌

[vaibhavadhikari]

In first question if set of B would be {4, 5, 6} then how can you put it as a subset of A as you are also just assuming that B ={1, 2, 3, 4}

[alphabeta]

Sir can we solve like this.



Since the intersection of both the sets is null. So a and b are disjoint sets.


Now their unions are same. So this means that the elements of both are same.
We find that X is the common term in each if these unions. So removing them we will still maintain equality. Hence A=B(As elements would be equal).


Can't we use this?

[abhimanyu]

set Ke sabi trick ka ak separated videos banae jo asani se ayd ho jae jo prov karne me help Kare.

[swetakumari]

Thankyou sir for this wonderful explanation
answer for h.w question is option c

[samrudhkashyap]

Salute to people studying Previous Night Before Next Day Morning. Legends

[ayushkushwaha]

Your explanation is much better than magnet brain

[neelbrahma]

Goosebumps, when sir says ''e-students''

[anonymous_avi]

Thank u sir in starting I am little confuse but after that i caught the whole concept and

[rishabhsinghrajput]

Sir aap extra important questions dal diya kariye

[ShyamSevak]

Sir your video is best and the answer is option C..

[JourneyWithMind]

sir is waali video Mai aapne boht accha samjha h

[loganretriever]

Sir ur teaching is amazing
By the way ans is C

[santoshtiwari]

Sir, samajh hi nahi aata ki jo given equation hai usmein kya karna hai.So please try to upload the vedio on my problem