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CBSE Class 11-science Answered

If A={x²-1:x€N 1≤x≤5} write number of subsets of 'A'
Asked by Priyanshibisht30 | 26 Feb, 2019, 16:46: PM
answered-by-expert Expert Answer
A = {x² - 1 : x begin mathsize 12px style element of end style N 1≤ x ≤ 5}
A = {0, 3, 8, 15, 24}
 
Set A contains 5 elements. Hence, its number of subsets are 25 = 32.
 
Answered by Sneha shidid | 26 Feb, 2019, 17:21: PM

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