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CBSE Class 11-science Answered

PLEASE ANSWER THIS QUESTION ON SETS! 👇

Asked by krishkhare04 | 03 Feb, 2022, 02:35: PM
Expert Answer
straight A equals left curly bracket straight x colon straight x equals 3 to the power of straight n comma space straight n less or equal than 6 comma space straight n element of straight N right curly bracket equals left curly bracket 3 comma space 9 comma space 27 comma space 81 comma space 243 comma space 729 right curly bracket space
straight B equals left curly bracket straight x colon straight x equals 9 to the power of straight n comma space straight n less or equal than 4 comma space straight n element of straight N right curly bracket equals left curly bracket 9 comma space 81 comma space 729 comma space 6561 right curly bracket
straight A union straight B equals left curly bracket 3 comma space 9 comma space 27 comma space 81 comma space 243 comma space 729 comma space 6561 right curly bracket space
straight A intersection straight B equals left curly bracket 9 comma space 81 comma space 729 right curly bracket space
straight A minus straight B equals left curly bracket 3 comma space 27 comma space 243 right curly bracket
straight B minus straight A equals left curly bracket 6561 right curly bracket
straight A triangle straight B equals left curly bracket 3 comma space 27 comma space 243 comma space 6561 right curly bracket
So comma space option space left parenthesis straight b right parenthesis space is space false
Answered by Renu Varma | 04 Feb, 2022, 11:15: AM
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