CBSE Class 11-commerce Answered

can we say that A intersection B is phy ?

Asked by shiphalijain | 20 Aug, 2017, 11:04: AM

Expert Answer

begin mathsize 16px style Intersection space of space two space sets space contains space common space elements space of space set space straight A space and space set space straight B. For space example comma straight A equals left curly bracket 1 comma 4 comma 6 comma 9 right curly bracket space and space straight B equals left curly bracket 1 comma 3 comma 4 comma 5 comma 6 right curly bracket Here comma space common space elements space of space set space straight A space and space set space straight B space are space 1 comma 4 comma 6 Hence comma straight A intersection straight B equals left curly bracket 1 comma 4 comma 6 right curly bracket For space example comma straight A equals open curly brackets 1 comma 3 comma 5 close curly brackets space and space straight B equals open curly brackets 2 comma 4 comma 6 close curly brackets Here space no space common space points space in space set space straight A space and space set space straight B. Hence comma space here space we space can space say space that space straight A intersection straight B equals empty set So space the space sets space are space disjoint space as space there space are space no space common space points space between space them. end style

Answered by Sneha shidid | 21 Aug, 2017, 09:48: AM

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