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CBSE Class 11-science Answered

Dear Sir/mam, Please can you answer and explain question no. 23.
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Asked by crsantoshnis | 17 Jun, 2019, 04:32: PM
answered-by-expert Expert Answer
A equals left curly bracket 1 comma 2 comma 3 comma 6 comma 11 comma 18 comma 21 right curly bracket space a n d space B equals left curly bracket 5 comma 7 comma 9 right curly bracket B apostrophe equals left curly bracket 1 comma 2 comma 3 comma 4 comma 6 comma 8 comma 10 comma 11 comma... right curly bracket A union B equals left curly bracket 1 comma 2 comma 3 comma 5 comma 6 comma 7 comma 9 comma 11 comma 18 comma 21 right curly bracket open parentheses A union B close parentheses intersection B apostrophe equals left curly bracket 1 comma 2 comma 3 comma 6 comma 11 comma 18 comma 21 right curly bracket equals A A apostrophe equals N minus A H e n c e comma space A apostrophe union open parentheses open parentheses A union B close parentheses intersection B apostrophe close parentheses equals A apostrophe union A equals N
Answered by Renu Varma | 18 Jun, 2019, 10:19: AM

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